{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-31065", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-04-06T19:53:59.553Z", "dateReserved": "2026-03-09T00:00:00.000Z", "datePublished": "2026-04-06T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-04-06T14:58:10.142Z"}, "descriptions": [{"lang": "en", "value": "UTT Aggressive 520W v3v1.7.7-180627 was discovered to contain a buffer overflow in the addCommand parameter of the formConfigCliForEngineerOnly function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://github.com/zxq0408/Vul202601/blob/main/8.md"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-120", "lang": "en", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.5, "attackVector": "ADJACENT_NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-04-06T19:53:34.754533Z", "id": "CVE-2026-31065", "options": [{"Exploitation": "none"}, {"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": "2026-04-06T19:53:59.553Z"}}]}, "dataVersion": "5.2"}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "v3v1.7.7-180627"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "520w", "vendor": "utt"}], "analysis": {"en": {"generated_at": "2026-04-07T23:29:02.696312+00:00", "value": {"mitigation_remediation": ["Apply the latest firmware release that patches the buffer overflow.", "Disable or restrict access to the engineer\u2011only command\u2011line interface if it is not needed.", "Monitor device logs for abnormal or repeated calls to formConfigCliForEngineerOnly.", "Implement network segmentation or firewall rules to isolate the device from untrusted traffic."], "summary": {"action": "Upgrade Firmware", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "Systems running the UTT Aggressive 520W v3 or later that use firmware version 1.7.7\u2011180627 are affected. The vulnerability is limited to the engineer\u2011only command\u2011line interface; other user interfaces are unaffected.", "description_and_impact": "A buffer overflow in the addCommand parameter of the formConfigCliForEngineerOnly function within UTT Aggressive 520W firmware can be triggered by a crafted input. The overflow corrupts the execution stack, causing the device to crash and stop responding. This results in a loss of availability and no direct impact on confidentiality or privilege escalation.", "risk_and_exploitability": "The CVSS score of 4.5 indicates moderate severity. The EPSS score below 1\u202f% suggests exploitation is unlikely in the wild. Based on the description, it is inferred that the likely attack vector requires local or privileged access to the engineer\u2011only CLI, which may be exposed through the device\u2019s network management or console ports. The vulnerability is not listed in the KEV catalog, so no confirmed public exploits are known."}}}}, "created": "2026-04-06T20:22:02.129975+00:00", "title": "Buffer Overflow Causing DoS in UTT Aggressive 520W Firmware", "updated": "2026-04-08T19:53:00.130646+00:00", "vendors": ["utt", "utt$PRODUCT$520w"]}