{"id":"CVE-2026-24721","title":"A NULL pointer dereference vulnerability has been reported to affect File Station 5","summary":"A NULL pointer dereference vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.\n\nWe have already fixed th…","severity":"medium","cvss":5.3,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","cwe":["CWE-476"],"vendor":"QNAP Systems Inc.","product":"File Station 5","affected":["file_station_5 >= 5.5.x < 5.5.6.5243"],"published":"2026-10-15","updated":"2026-10-15","sourceUpdated":"2026-10-15T08:16:37.580","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-24721","references":[{"url":"https://www.qnap.com/en/app-release-notes?keyword=FileStation5&app=FileStation5&product-line=nas","label":"security@qnapsecurity.com.tw"}],"tags":["nvd","cve.org"],"cvssSource":"cna","ingestedAt":"2026-10-15T07:57:27.848Z","slug":"CVE-2026-24721","body":"## Overview\n\nA NULL pointer dereference vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.\n\nWe have already fixed the vulnerability in the following version:\nFile Station 5 5.5.6.5243 and later\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":29,"depthScoreParts":{"impact":29.2,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":222102,"id":"CVE-2026-24721","ts":1792054751786,"field":"cvss","old":"1.3","new":"5.3"},{"seq":222101,"id":"CVE-2026-24721","ts":1792054751786,"field":"severity","old":"low","new":"medium"}]}