CVE-2026-3815

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The exploit has been made available to the public and could be used for attacks."}, {"lang": "es", "value": "Se ha identificado una debilidad en UTT HiPER 810G hasta la versi\u00f3n 1.7.7-1711. Esto afecta a la funci\u00f3n strcpy del archivo /goform/formApMail. La ejecuci\u00f3n de una manipulaci\u00f3n puede conducir a un desbordamiento de b\u00fafer. Es posible lanzar el ataque remotamente. El exploit se ha puesto a disposici\u00f3n del p\u00fablico y podr\u00eda ser utilizado para ataques."}], "id": "CVE-2026-3815", "lastModified": "2026-06-17T10:44:17.170", "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-2026-3815", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-09T17:26:04.190632Z", "version": "2.0.3"}}]}, "published": "2026-03-09T11:16:06.230", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/whoami648/cve/blob/main/vul/10.md"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.349781"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.349781"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.769164"}], "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": "semver", "value": "1.7.7-1711"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "HiPER 810G", "source": "cna", "vendor": "UTT"}, "product": "hiper_810g", "vendor": "utt"}], "analysis": {"en": {"generated_at": "2026-04-17T11:53:16.134915+00:00", "value": {"mitigation_remediation": ["Upgrade the HiPER 810G firmware to a version beyond 1.7.7\u20111711 where the strcpy buffer overflow has been fixed.", "If a firmware upgrade is not immediately possible, isolate the device by limiting network access to the /goform/formApMail endpoint so that only trusted local or administrative networks can reach it.", "Monitor the device for anomalous traffic or known exploit signatures, and log remote POST requests to the formApMail path for forensic analysis."], "summary": {"action": "Immediate Patch", "impact": "Remote Buffer Overflow"}, "threat_synthesis": {"affected_systems": "The flaw exists in UTT HiPER 810G hardware and its associated firmware versions up to 1.7.7\u20111711. Devices running these firmware releases\u2014and any earlier releases\u2014are affected. The issue is tied to the /goform/formApMail entry point used by the device\u2019s web interface.", "description_and_impact": "The vulnerability is a stack-based buffer overflow in the strcpy operation of the formApMail interface on UTT HiPER 810G devices. An attacker can provide an overly long input to the targeted form, causing the overflow to corrupt stack memory. The CVE description does not explicitly state the downstream effect, so the exact consequences remain uncertain.", "risk_and_exploitability": "The CVSS score of 8.7 places this vulnerability in the high severity band, and the EPSS score of less than 1% indicates a very low but non\u2011zero likelihood of exploitation at the time of assessment. The vulnerability is not listed in the CISA KEV catalog. Attackers can trigger the overflow remotely by sending a specially crafted HTTP request to the vulnerable form, which the public exploit demonstrates. The CVE description does not explicitly state any specific downstream impact such as code execution, so the precise consequences remain uncertain, but the vulnerability warrants monitoring and patching."}}}}, "created": "2026-03-10T14:07:33.871673+00:00", "updated": "2026-04-17T12:00:11.770888+00:00", "vendors": ["utt", "utt$PRODUCT$hiper_810g"]}