{"id":"CVE-2025-62852","aliases":["EUVD-2026-0659","GHSA-vjhv-9hfj-67mh"],"status":"published","title":"QTS, QuTS hero","description":"A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes.\n\nWe have already fixed the vulnerability in the following version:\nQTS 5.2.8.3332 build 20251128 and later","severity":{"version":"4.0","score":1.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00362,"percentile":0.30223,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787"],"published":"2026-01-02T15:19:40Z","modified":"2026-10-07T11:10:00Z","products":[{"vendor":"qnap","product":"qts"},{"vendor":"qnap","product":"quts_hero"},{"vendor":"qnap systems inc.","product":"qts"}],"references":[{"url":"https://www.qnap.com/en/security-advisory/qsa-25-51","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-62852"},{"url":"https://github.com/advisories/GHSA-vjhv-9hfj-67mh"}],"sources":{"cve":[{"id":"CVE-2025-62852","title":"QTS, QuTS hero","description":"A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes.\n\nWe have already fixed the vulnerability in the following version:\nQTS 5.2.8.3332 build 20251128 and later","status":"published","published":"2026-01-02T15:19:40.492Z","modified":"2026-01-05T20:38:31.94Z","cvss":[{"version":"4.0","score":1.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U","level":"low","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:32:54.87586Z"}],"euvd":[{"id":"EUVD-2026-0659","description":"A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes.\n\nWe have already fixed the vulnerability in the following version:\nQTS 5.2.8.3332 build 20251128 and later","status":"published","published":"2026-01-02T15:19:40Z","modified":"2026-01-05T20:38:31Z","cvss":[{"version":"4.0","score":1.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U","level":"low"}],"updated_at":"2026-11-02T19:48:55.889439Z"}],"ghsa":[{"id":"GHSA-vjhv-9hfj-67mh","title":"A buffer overflow vulnerability has been reported to affect several QNAP operating system...","description":"A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes.\n\nWe have already fixed the vulnerability in the following version:\nQTS 5.2.8.3332 build 20251128 and later","status":"published","published":"2026-01-02T18:30:31Z","modified":"2026-01-06T15:31:29Z","cvss":[{"version":"4.0","score":1.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T15:05:30.549003Z"}],"nvd":[{"id":"CVE-2025-62852","description":"A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes.\n\nWe have already fixed the vulnerability in the following version:\nQTS 5.2.8.3332 build 20251128 and later","status":"published","published":"2026-01-02T16:17:00.85Z","modified":"2026-10-07T11:10:00.153Z","cvss":[{"version":"4.0","score":1.2,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"low","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-121","CWE-787"],"updated_at":"2026-11-02T14:11:54.323368Z"}]}}