{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-31058", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-04-06T19:44:56.292Z", "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": "2026-04-06T14:51:30.245Z"}, "descriptions": [{"lang": "en", "value": "UTT Aggressive HiPER 1200GW v2.5.3-170306 was discovered to contain a buffer overflow in the timeRangeName parameter of the formConfigDnsFilterGlobal 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/2.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": "2026-04-06T19:44:50.815792Z", "id": "CVE-2026-31058", "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": "2026-04-06T19:44:56.292Z"}}]}, "dataVersion": "5.2"}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "2.5.3-170306"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "hiper_1200gw", "vendor": "utt"}], "analysis": {"en": {"generated_at": "2026-04-07T10:05:47.248415+00:00", "value": {"mitigation_remediation": ["Verify that the deployed firmware version is 2.5.3\u2011170306 and not a newer, patched release.", "If DNS filtering via formConfigDnsFilterGlobal is not essential, disable or remove the feature entirely to eliminate the vulnerable code path.", "Implement input length checks or sanitization on the timeRangeName field to prevent overflow before data is processed.", "Apply any vendor\u2011supplied patch or upgrade to a version that addresses the overflow as soon as one becomes available.", "Monitor system logs for unexplained crashes or repeated DoS events and consider applying temporary rate limiting to the vulnerable endpoint until a fix can be applied."], "summary": {"action": "Apply Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "The only documented affected product is UTT Aggressive HiPER 1200GW version 2.5.3\u2011170306. No other releases or vendors are mentioned.", "description_and_impact": "A stack buffer overflow was found in the timeRangeName parameter of the formConfigDnsFilterGlobal function in UTT Aggressive HiPER 1200GW 2.5.3\u2011170306. A crafted input exceeding the allocated buffer can corrupt memory and crash the application, resulting in a denial\u2011of\u2011service condition. The flaw does not provide code execution or privilege escalation; it simply disrupts availability.", "risk_and_exploitability": "The CVSS base score of 4.5 marks it as moderate severity, largely because the vulnerability cannot be leveraged for compromise. The EPSS score is not published and the issue is not listed in CISA\u2019s KEV catalog, indicating no known widespread exploitation. The likely attack path requires an external actor to send a malformed timeRangeName value to the affected service, which would repeatedly crash the process and cause service outages without causing further damage."}}}}, "created": "2026-04-06T20:22:08.329324+00:00", "title": "TimeRangeName Buffer Overflow Causes Denial of Service in UTT Aggressive HiPER 1200GW", "updated": "2026-04-08T19:53:07.034913+00:00", "vendors": ["utt", "utt$PRODUCT$hiper_1200gw"]}