CVE-2026-5566

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-5566", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-04-04T14:19:03.601Z", "datePublished": "2026-04-05T12:15:10.664Z", "dateUpdated": "2026-04-06T15:27:48.716Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-04-05T12:15:10.664Z"}, "title": "UTT HiPER 1250GW formNatStaticMap strcpy 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": "UTT", "product": "HiPER 1250GW", "versions": [{"version": "3.2.7-210907-180535", "status": "affected"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. This affects the function strcpy of the file /goform/formNatStaticMap. Performing a manipulation of the argument NatBind results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may 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": "2026-04-04T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-04-04T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-04-04T16:24:09.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "Doma (VulDB User)", "type": "reporter"}], "references": [{"url": "https://vuldb.com/vuln/355336", "name": "VDB-355336 | UTT HiPER 1250GW formNatStaticMap strcpy buffer overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/355336/cti", "name": "VDB-355336 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/782993", "name": "Submit #782993 | UTT\uff08AiTai\uff09 HiPER 1250GW <= v3.2.7-210907-180535 Buffer Overflow", "tags": ["third-party-advisory"]}, {"url": "https://github.com/Moxxkidd/CVE/issues/1", "tags": ["exploit", "issue-tracking"]}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-06T15:27:38.802568Z", "id": "CVE-2026-5566", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"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": "2026-04-06T15:27:48.716Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-5566", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-04-06T15:27:38.802568Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-06T15:27:42.992Z"}}], "cna": {"title": "UTT HiPER 1250GW formNatStaticMap strcpy buffer overflow", "credits": [{"lang": "en", "type": "reporter", "value": "Doma (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": [{"vendor": "UTT", "product": "HiPER 1250GW", "versions": [{"status": "affected", "version": "3.2.7-210907-180535"}]}], "timeline": [{"lang": "en", "time": "2026-04-04T00:00:00.000Z", "value": "Advisory disclosed"}, {"lang": "en", "time": "2026-04-04T02:00:00.000Z", "value": "VulDB entry created"}, {"lang": "en", "time": "2026-04-04T16:24:09.000Z", "value": "VulDB entry last update"}], "references": [{"url": "https://vuldb.com/vuln/355336", "name": "VDB-355336 | UTT HiPER 1250GW formNatStaticMap strcpy buffer overflow", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/355336/cti", "name": "VDB-355336 | CTI Indicators (IOB, IOC, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/submit/782993", "name": "Submit #782993 | UTT\uff08AiTai\uff09 HiPER 1250GW <= v3.2.7-210907-180535 Buffer Overflow", "tags": ["third-party-advisory"]}, {"url": "https://github.com/Moxxkidd/CVE/issues/1", "tags": ["exploit", "issue-tracking"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. This affects the function strcpy of the file /goform/formNatStaticMap. Performing a manipulation of the argument NatBind results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may 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": "2026-04-05T12:15:10.664Z"}}}, "cveMetadata": {"cveId": "CVE-2026-5566", "state": "PUBLISHED", "dateUpdated": "2026-04-06T15:27:48.716Z", "dateReserved": "2026-04-04T14:19:03.601Z", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "datePublished": "2026-04-05T12:15:10.664Z", "assignerShortName": "VulDB"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "HiPER 1250GW", "vendor": "UTT", "versions": [{"status": "affected", "version": "3.2.7-210907-180535"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was detected in UTT HiPER 1250GW up to 3.2.7-210907-180535. This affects the function strcpy of the file /goform/formNatStaticMap. Performing a manipulation of the argument NatBind results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used."}, {"lang": "es", "value": "Una vulnerabilidad fue detectada en UTT HiPER 1250GW hasta 3.2.7-210907-180535. Esto afecta la funci\u00f3n strcpy del archivo /goform/formNatStaticMap. Realizar una manipulaci\u00f3n del argumento NatBind resulta en desbordamiento de b\u00fafer. La explotaci\u00f3n remota del ataque es posible. El exploit ahora es p\u00fablico y puede ser usado."}], "id": "CVE-2026-5566", "lastModified": "2026-07-24T09:10:00.153", "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"}], "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-2026-5566", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-06T15:27:38.802568Z", "version": "2.0.3"}}]}, "published": "2026-04-05T13:17:14.520", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/Moxxkidd/CVE/issues/1"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/782993"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/355336"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/355336/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "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": "3.2.7-210907-180535"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "hiper_1250gw", "vendor": "utt"}], "analysis": {"en": {"generated_at": "2026-04-05T15:21:34.775180+00:00", "value": {"mitigation_remediation": ["Upgrade the device firmware to a version newer than 3.2.7\u2011210907\u2011180535.", "If an upgrade is not immediately possible, restrict external access to the '/goform/formNatStaticMap' endpoint or block the NatBind parameter using a firewall or access control.", "Monitor system logs for anomalous access attempts or unexpected behavior on the device."], "summary": {"action": "Immediate Patch", "impact": "Remote Code Execution via buffer overflow"}, "threat_synthesis": {"affected_systems": "UTT HiPER 1250GW firmware versions up to 3.2.7\u2011210907\u2011180535 are vulnerable. This includes all installations of the hardware unit running the affected firmware and any devices that rely on the formNatStaticMap functionality.", "description_and_impact": "A buffer overflow occurs in the strcpy function within the /goform/formNatStaticMap component of UTT HiPER 1250GW, triggered by manipulating the NatBind argument. The flaw can allow a remote attacker to overflow the buffer, potentially enabling arbitrary code execution. The weakness corresponds to CWE\u2011119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) and CWE\u2011120 (Buffer Copy without Checking Size of Input).", "risk_and_exploitability": "The vulnerability carries a CVSS score of 8.7, indicating a high severity. No EPSS score is reported, and it is not listed in the CISA KEV catalog, but the exploit is public and can be executed remotely by manipulating NatBind. Attackers with network access to the device\u2019s administrative interface can trigger the overflow and may gain code execution."}}}}, "created": "2026-04-06T20:26:13.215136+00:00", "updated": "2026-04-06T21:56:47.166816+00:00", "vendors": ["utt", "utt$PRODUCT$hiper_1250gw"]}