{"id":"CVE-2025-68404","title":"A time-of-check time-of-use (toctou) race condition vulnerability has been reported to affect QuRouter","summary":"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 vul…","severity":"medium","cvss":4.8,"cvssVector":"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:U","cwe":["CWE-367"],"vendor":"QNAP Systems Inc.","product":"QuRouter","affected":["QuRouter >= 2.6.x < 2.6.4.001"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T10:17:10.227","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-68404","references":[{"url":"https://www.qnap.com/en/release-notes/qurouter/overview/2.7","label":"security@qnapsecurity.com.tw"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-10-15T07:57:27.841Z","slug":"CVE-2025-68404","body":"## Overview\n\nA 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\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":26,"depthScoreParts":{"impact":26.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}