CVE Explorer
CVE-2026-3987
A path traversal vulnerability in the Fireware OS Web UI on WatchGuard Firebox systems may allow a privileged authenticated remote attacker to execute arbitrary code in the context of an elevated system process.This issue affects Fireware OS 12.6.1 up to and including 12.11.8 and 2025.1 up to and including 2026.1.2.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Fireware OS","vendor":"WatchGuard","versions":[{"lessThanOrEqual":"12.11.8","status":"affected","version":"12.6.1","versionType":"semver"},{"lessThanOrEqual":"2026.1.2","status":"affected","version":"2025.1","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:56ac7e49a25f1f3a5b53ceec688fe2501570c06815683ee05978b2cc057d9c1e · sha256:41f72b3a53daec3d… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIG…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:56ac7e49a25f1f3a5b53ceec688fe2501570c06815683ee05978b2cc057d9c1e · sha256:41f72b3a53daec3d… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-22","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:56ac7e49a25f1f3a5b53ceec688fe2501570c06815683ee05978b2cc057d9c1e · sha256:41f72b3a53daec3d… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00009"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:56ac7e49a25f1f3a5b53ceec688fe2501570c06815683ee05978b2cc057d9c1e · sha256:41f72b3a53daec3d… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.