CVE-2026-16448

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The affected element is the function cgi_check_rsync_rw of the file /cgi-bin/remote_backup.cgi. The manipulation of the argument ip results in command injection. The attack can be executed remotely. The exploit has been made public and could be used."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-07-21T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-07-21T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-07-21T10:54:38.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "red88-debug (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/vuln/380827", "name": "VDB-380827 | D-Link DNS-1550-04 remote_backup.cgi cgi_check_rsync_rw command injection", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/380827/cti", "name": "VDB-380827 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-16448", "name": "CVE-2026-16448 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/858469", "name": "Submit #858469 | D-Link (Shanghai)Limited Corp. D-Link DNS-120 affected at 20260205 CWE-77 (Command Injection)", "tags": ["third-party-advisory"]}, {"url": "https://ucn9h68n9289.feishu.cn/docx/OfhNdwzvXoBlJBxDIW7clVmjnuh?from=from_copylink", "tags": ["exploit"]}, {"url": "https://www.dlink.com/", "tags": ["product"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-21T14:52:40.667873Z", "id": "CVE-2026-16448", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-21T14:55:10.371Z"}}]}}

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"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}], "affected": [{"cpes": ["cpe:2.3:h:d-link:dns-120:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-120", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dnr-202l:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNR-202L", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-315l:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-315L", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-320:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-320", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-320l:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-320L", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-320lw:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-320LW", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-321:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-321", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dnr-322l:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNR-322L", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-323:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-323", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-325:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-325", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-326:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-326", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-327l:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-327L", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dnr-326:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNR-326", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-340l:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-340L", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-343:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-343", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-345:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-345", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-726-4:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-726-4", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-1100-4:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-1100-4", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-1200-05:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-1200-05", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-1550-04:*:*:*:*:*:*:*:*"], "vendor": "D-Link", "product": "DNS-1550-04", "versions": [{"status": "affected", "version": "20260205"}]}], "timeline": [{"lang": "en", "time": "2026-07-21T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-07-21T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-07-21T10:54:38.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/vuln/380827", "name": "VDB-380827 | D-Link DNS-1550-04 remote_backup.cgi cgi_check_rsync_rw command injection", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/380827/cti", "name": "VDB-380827 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-16448", "name": "CVE-2026-16448 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/858469", "name": "Submit #858469 | D-Link (Shanghai)Limited Corp. D-Link DNS-120 affected at 20260205 CWE-77 (Command Injection)", "tags": ["third-party-advisory"]}, {"url": "https://ucn9h68n9289.feishu.cn/docx/OfhNdwzvXoBlJBxDIW7clVmjnuh?from=from_copylink", "tags": ["exploit"]}, {"url": "https://www.dlink.com/", "tags": ["product"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. The affected element is the function cgi_check_rsync_rw of the file /cgi-bin/remote_backup.cgi. The manipulation of the argument ip results in command injection. The attack can be executed remotely. 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{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:h:d-link:dns-120:*:*:*:*:*:*:*:*"], "product": "DNS-120", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dnr-202l:*:*:*:*:*:*:*:*"], "product": "DNR-202L", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-315l:*:*:*:*:*:*:*:*"], "product": "DNS-315L", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-320:*:*:*:*:*:*:*:*"], "product": "DNS-320", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-320l:*:*:*:*:*:*:*:*"], "product": "DNS-320L", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-320lw:*:*:*:*:*:*:*:*"], "product": "DNS-320LW", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-321:*:*:*:*:*:*:*:*"], "product": "DNS-321", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dnr-322l:*:*:*:*:*:*:*:*"], "product": "DNR-322L", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-323:*:*:*:*:*:*:*:*"], "product": "DNS-323", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-325:*:*:*:*:*:*:*:*"], "product": "DNS-325", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-326:*:*:*:*:*:*:*:*"], "product": "DNS-326", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-327l:*:*:*:*:*:*:*:*"], "product": "DNS-327L", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dnr-326:*:*:*:*:*:*:*:*"], "product": "DNR-326", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-340l:*:*:*:*:*:*:*:*"], "product": "DNS-340L", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-343:*:*:*:*:*:*:*:*"], "product": "DNS-343", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-345:*:*:*:*:*:*:*:*"], "product": "DNS-345", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-726-4:*:*:*:*:*:*:*:*"], "product": "DNS-726-4", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-1100-4:*:*:*:*:*:*:*:*"], "product": "DNS-1100-4", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-1200-05:*:*:*:*:*:*:*:*"], "product": "DNS-1200-05", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}, {"cpes": ["cpe:2.3:h:d-link:dns-1550-04:*:*:*:*:*:*:*:*"], "product": "DNS-1550-04", "vendor": "D-Link", "versions": [{"status": "affected", "version": "20260205"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. The affected element is the function cgi_check_rsync_rw of the file /cgi-bin/remote_backup.cgi. The manipulation of the argument ip results in command injection. The attack can be executed remotely. The exploit has been made public and could be used."}], "id": "CVE-2026-16448", "lastModified": "2026-07-21T17:07:04.447", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.1, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-16448", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-21T14:52:40.667873Z", "version": "2.0.3"}}]}, "published": "2026-07-21T15:16:33.587", "references": [{"source": "cna@vuldb.com", "url": "https://ucn9h68n9289.feishu.cn/docx/OfhNdwzvXoBlJBxDIW7clVmjnuh?from=from_copylink"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-16448"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/858469"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/380827"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/380827/cti"}, {"source": "cna@vuldb.com", "url": "https://www.dlink.com/"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-77"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

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