CVE-2026-3380

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3380", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-02-28T06:56:58.789Z", "datePublished": "2026-03-01T03:02:09.623Z", "dateUpdated": "2026-05-05T18:33:30.271Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-03-01T03:02:09.623Z"}, "title": "Tenda F453 L7Im frmL7ImForm buffer overflow", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-120", "lang": "en", "description": "Buffer Overflow"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-119", "lang": "en", "description": "Memory Corruption"}]}], "affected": [{"vendor": "Tenda", "product": "F453", "versions": [{"version": "1.0.0.3", "status": "affected"}], "cpes": ["cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Tenda F453 1.0.0.3. This issue affects the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page results in buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.7, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P", "baseSeverity": "HIGH"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "HIGH"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 8.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R", "baseSeverity": "HIGH"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 9, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}], "timeline": [{"time": "2026-02-28T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-02-28T01:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-02-28T08:02:02.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "LtzHust2 (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/?id.348265", "name": "VDB-348265 | Tenda F453 L7Im frmL7ImForm buffer overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.348265", "name": "VDB-348265 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/?submit.759629", "name": "Submit #759629 | Tenda F453 v1.0.0.3 Buffer Access Using Size of Source Buffer", "tags": ["third-party-advisory"]}, {"url": "https://github.com/Litengzheng/vul_db/blob/main/F453/vul_81/README.md", "tags": ["exploit"]}, {"url": "https://www.tenda.com.cn/", "tags": ["product"]}]}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-05-05T18:33:24.405555Z", "id": "CVE-2026-3380", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-05T18:33:30.271Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-3380", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-05-05T18:33:24.405555Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-06T14:53:15.687Z"}}], "cna": {"title": "Tenda F453 L7Im frmL7ImForm buffer overflow", "credits": [{"lang": "en", "type": "reporter", "value": "LtzHust2 (VulDB User)"}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 8.7, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 8.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 8.8, "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 9, "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"}}], "affected": [{"cpes": ["cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*"], "vendor": "Tenda", "product": "F453", "versions": [{"status": "affected", "version": "1.0.0.3"}]}], "timeline": [{"lang": "en", "time": "2026-02-28T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-02-28T01:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-02-28T08:02:02.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/?id.348265", "name": "VDB-348265 | Tenda F453 L7Im frmL7ImForm buffer overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/?ctiid.348265", "name": "VDB-348265 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/?submit.759629", "name": "Submit #759629 | Tenda F453 v1.0.0.3 Buffer Access Using Size of Source Buffer", "tags": ["third-party-advisory"]}, {"url": "https://github.com/Litengzheng/vul_db/blob/main/F453/vul_81/README.md", "tags": ["exploit"]}, {"url": "https://www.tenda.com.cn/", "tags": ["product"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Tenda F453 1.0.0.3. This issue affects the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page results in buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "Buffer Overflow"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-119", "description": "Memory Corruption"}]}], "providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-03-01T03:02:09.623Z"}}}, "cveMetadata": {"cveId": "CVE-2026-3380", "state": "PUBLISHED", "dateUpdated": "2026-05-05T18:33:30.271Z", "dateReserved": "2026-02-28T06:56:58.789Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-03-01T03:02:09.623Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:o:tenda:f453_firmware:*:*:*:*:*:*:*:*"], "product": "F453", "vendor": "Tenda", "versions": [{"status": "affected", "version": "1.0.0.3"}]}], "source": "cna@vuldb.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:tenda:f453_firmware:1.0.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "66CB876C-7D99-4A12-91E3-FE153293C3F2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:tenda:f453:-:*:*:*:*:*:*:*", "matchCriteriaId": "0B2C42B3-1621-4323-BAA4-4B71C33F7C4B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Tenda F453 1.0.0.3. This issue affects the function frmL7ImForm of the file /goform/L7Im. The manipulation of the argument page results in buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Tenda F453 1.0.0.3, la cual afecta a la funci\u00f3n frmL7ImForm del archivo /goform/L7Im. Manipular el argumento page provoca un desbordamiento de b\u00fafer. El ataque puede lanzarse de forma remota. El exploit se ha hecho p\u00fablico y podr\u00eda ser usado."}], "id": "CVE-2026-3380", "lastModified": "2026-06-17T10:43:29.670", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "cna@vuldb.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.4, "baseSeverity": "HIGH", "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:H/VI:H/VA:H/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": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3380", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-05T18:33:24.405555Z", "version": "2.0.3"}}]}, "published": "2026-03-01T04:16:01.890", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/Litengzheng/vul_db/blob/main/F453/vul_81/README.md"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.348265"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.348265"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.759629"}, {"source": "cna@vuldb.com", "tags": ["Product"], "url": "https://www.tenda.com.cn/"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-120"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "1.0.0.3"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "F453", "source": "cna", "vendor": "Tenda"}, "product": "f453", "vendor": "tenda"}], "analysis": {"en": {"generated_at": "2026-04-16T15:01:40.884919+00:00", "value": {"mitigation_remediation": ["Update the router firmware to the latest version that addresses the buffer overflow.", "Restrict remote access to the router\u2019s management interfaces by firewalling or IP whitelisting so only trusted networks can reach /goform/L7Im.", "Monitor network traffic for anomalous requests targeting the /goform/L7Im endpoint and alert on repeated or malformed page parameters."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution via buffer overflow"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the Tenda F453 router running firmware version 1.0.0.3. No other firmware versions or Tenda products are identified as impacted in the provided data.", "description_and_impact": "A buffer overflow flaw exists in the frmL7ImForm function of the Tenda F453 router firmware 1.0.0.3. By manipulating the page argument supplied to the /goform/L7Im endpoint, an attacker can cause a memory overrun that may allow arbitrary code execution or denial of service on the device. The vulnerability carries a CVSS score of 8.7, indicating high severity, and the description explicitly states it can be exploited remotely.", "risk_and_exploitability": "The low EPSS score of less than 1% suggests that current exploit activity is rare, and the issue is not listed in the CISA KEV catalog. Nevertheless, the flaw is publicly documented and an exploit exists, allowing attackers with remote access to the router\u2019s management interface to construct a malicious request to /goform/L7Im and trigger the overflow. Compromise could grant the attacker control of the device or disrupt network services. No special privileges or local access are required, making the threat straightforward for attackers with external network visibility."}}}}, "created": "2026-03-02T12:04:12.176820+00:00", "updated": "2026-04-16T15:15:39.035119+00:00", "vendors": ["tenda", "tenda$PRODUCT$f453"]}