{"id":"CVE-2026-18105","title":"An uncontrolled resource consumption vulnerability in Fireware OS's diagnostic tasks feature allows a low-privileged, authenticated user to cause a denial of service of the system's diagnostic tools by repeatedly starting and aborting a …","summary":"An uncontrolled resource consumption vulnerability in Fireware OS's diagnostic tasks feature allows a low-privileged, authenticated user to cause a denial of service of the system's diagnostic tools by repeatedly starting and aborting a …","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-400","CWE-770"],"vendor":"watchguard","product":"fireware","affected":["fireware >= 12.0, < 12.5.21","fireware >= 12.12, < 12.12.3","fireware >= 2025.0, < 2026.2.3","fireware >= 2026.3, < 2026.3.2"],"patched":["fireware 2026.3.2"],"published":"2026-09-30","updated":"2026-10-08","sourceUpdated":"2026-10-08T19:57:14.673","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-18105","references":[{"url":"https://psirt.watchguard.com/CVE-2026-18105","label":"5d1c2695-1a31-4499-88ae-e847036fd7e3"}],"tags":["nvd","cve.org"],"epss":0.0024,"epssPercentile":0.1501,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T14:39:25.311470Z"},"scores":{"nvd":6.5,"cna":7.1},"ingestedAt":"2026-09-29T23:52:50.547Z","slug":"CVE-2026-18105","body":"## Overview\n\nAn uncontrolled resource consumption vulnerability in Fireware OS's diagnostic tasks feature allows a low-privileged, authenticated user to cause a denial of service of the system's diagnostic tools by repeatedly starting and aborting a specially crafted diagnostic task through the web UI.\n\n## Affected\n\n- `fireware >= 12.0, < 12.5.21`\n- `fireware >= 12.12, < 12.12.3`\n- `fireware >= 2025.0, < 2026.2.3`\n- `fireware >= 2026.3, < 2026.3.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `fireware 2026.3.2`","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":218263,"id":"CVE-2026-18105","ts":1791490021840,"field":"cvss","old":"7.1","new":"6.5"},{"seq":218262,"id":"CVE-2026-18105","ts":1791490021840,"field":"severity","old":"high","new":"medium"}]}