CVE-2025-70998

{"id": "CVE-2025-70998", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2026-02-18T16:22:29.453", "references": [{"url": "https://github.com/cha0yang1/UTT-nv810v4-telnet-backdoor", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-1188"}]}], "descriptions": [{"lang": "en", "value": "UTT HiPER 810 / nv810v4 router firmware v1.5.0-140603 was discovered to contain insecure default credentials for the telnet service, possibly allowing a remote attacker to gain root access via a crafted script."}], "lastModified": "2026-02-19T18:47:14.493", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:utt:810_firmware:1.5.0-140603:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D7D8F8AB-8DD7-4A60-B199-D85DD3278AA1"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:utt:810:4.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8EB059D5-5874-4759-B322-7066F6ACCD37"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}