{"id":"CVE-2025-53844","published":"2026-05-12T16:54:10Z","modified":"2026-10-15T01:09:17Z","title":"A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS…","vendor":"Fortinet","product":"FortiOS","tier":"tail","description":{"text":"A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets.","provenance":"source","from":"CVE.org"},"cvss":{"score":8.3,"severity":"HIGH","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.00564,"percentile":0.46756,"provenance":"source"},"cwes":[{"id":"CWE-787","name":"Out-of-bounds Write"}],"references":[{"url":"https://fortiguard.fortinet.com/psirt/FG-IR-26-123","tags":[]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-864900.html","tags":[]}],"priority":{"score":15.2,"factors":[{"name":"EPSS percentile","points":9.35},{"name":"CVSS severity","points":5.81}]},"vendorSlug":"fortinet","affectedVersions":[{"vendor":"Fortinet","product":"FortiOS","versions":[">= 7.6.0, <= 7.6.3",">= 7.4.0, <= 7.4.8",">= 7.2.0, <= 7.2.11",">= 7.0.0, <= 7.0.17",">= 6.4.0, <= 6.4.16",">= 6.2.0, <= 6.2.17",">= 6.0.0, <= 6.0.18"]}],"euvd":{"id":"EUVD-2025-209802","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-fortinet-fortios-cwe-787"}}