{"id":"CVE-2026-103593","aliases":[],"title":"Fireware OS Stack Buffer Overflow in Logging Service Allows Remote Code Execution","description":"A stack-based buffer overflow vulnerability in the Fireware OS logging service allows a network-adjacent attacker who can impersonate or intercept traffic to the configured log server to execute arbitrary code with root privileges by presenting a specially crafted certificate.","severity":"critical","score":9.1,"published":"2026-10-27T15:52:28.244Z","modified":"2026-10-27T15:52:28.244Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://psirt.watchguard.com/CVE-2026-103593"],"sources":[{"name":"CVE","id":"CVE-2026-103593","modified":"2026-10-27T15:52:28.244Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-103593"}],"assessments":[{"source":"CNA","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:H/SA:H","score":9.1}]}