CVE Explorer

CVE-2026-3342

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an authenticated privileged administrator to execute arbitrary code with root permissions via an exposed management interface. This vulnerability affects Fireware OS 11.9 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.7 and 2025.1 up to and including 2026.1.1.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:251f079502eedf0fe8d5c15057d0d78498438e55ee376a9d8d71b826b323b414

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"Fireware OS","vendor":"WatchGuard","versions":[{"lessThanOrEqual":"11.12.4+541730","status":"affected","version":"11.9","versionType":"semver"},{"lessThanOrEqual":"12.11.7","status":"affected","version":"12.0","versionType":"semver"},{"lessThanOrEqual":"12.5.16","status":"affected","version":"12.5","versionType":"semver"},{"lessThanOrEqual":"2026.1.1","status":"affected","version":"2025.1","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:93e234f1c1cbc85a5aacf63148ef80bdacd8b0f56d16fdfce100ad430524ab46 · sha256:43460148418a8eec… · /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_v5cvss
urn:baitaphish:normalized-source-record:v2:93e234f1c1cbc85a5aacf63148ef80bdacd8b0f56d16fdfce100ad430524ab46 · sha256:43460148418a8eec… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds Write","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:93e234f1c1cbc85a5aacf63148ef80bdacd8b0f56d16fdfce100ad430524ab46 · sha256:43460148418a8eec… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"url":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00003"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:93e234f1c1cbc85a5aacf63148ef80bdacd8b0f56d16fdfce100ad430524ab46 · sha256:43460148418a8eec… · /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.

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