{"id":"CVE-2025-68404","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-68404","generatedAt":"2026-10-28T01:03:41.552Z","title":"A time-of-check time-of-use (toctou) race condition vulnerability has been reported to affect QuRouter.","description":"A time-of-check time-of-use (toctou) race condition vulnerability has been reported to affect QuRouter. If exploited, the vulnerability could allow remote attackers to compromise the security of the system.\n\nWe have already fixed the vulnerability in the following version:\nQuRouter 2.6.4.001 and later","published":"2026-10-15T07:17:57.000Z","lastModified":"2026-10-19T22:10:00.000Z","status":"Awaiting Analysis","sourceIdentifier":"security@qnapsecurity.com.tw","cvss":{"version":"4.0","score":7.5,"severity":"HIGH","vector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-367"],"affected":[],"epss":{"score":0.00151,"percentile":0.04163,"date":"2026-10-26","history":[{"date":"2026-10-15","score":0.00151,"percentile":0.03808}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-10-15T11:45:10.000Z","detail":{"from":"4.8","score":"7.5","severity":"HIGH","fromSeverity":"MEDIUM"},"summary":"Now scored CVSS 7.5 HIGH (was 4.8)."},{"kind":"new","label":"New CVE","at":"2026-10-15T07:17:57.000Z","detail":{"score":"4.8","severity":"MEDIUM","publishedAt":"2026-10-15T07:17:57.157Z"},"summary":"New CVE, high severity (CVSS 7.5)."}],"references":[{"url":"https://www.qnap.com/en/release-notes/qurouter/overview/2.7","source":"security@qnapsecurity.com.tw"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-68404","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}