CVE Explorer

CVE-2026-13722

WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.This vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2025.6.2.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9cc84477209e227f88e1bab828dd28a2855ca4d51c69dc90e19789ce5b4f586a

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","platforms":["11"],"product":"Fireware OS","vendor":"WatchGuard","versions":[{"lessThanOrEqual":"11.12.4+541730","status":"affected","version":"11.0","versionType":"semver"},{"lessThanOrEqual":"12.12","status":"affected","version":"12.0","versionType":"semver"},{"lessThanOrEqual":"12.5.18","status":"affected","version":"12.5","versionType":"semver"},{"lessThanOrEqual":"2026.2","status":"affected","version":"2025.1","versionType":"semver"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:c44ad92b7616a258e2146e3209f3f94123709f42c103a196edbbde660f6eb212 · sha256:2608317f83c6b208… · /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:c44ad92b7616a258e2146e3209f3f94123709f42c103a196edbbde660f6eb212 · sha256:2608317f83c6b208… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-347","description":"CWE-347 Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:c44ad92b7616a258e2146e3209f3f94123709f42c103a196edbbde660f6eb212 · sha256:2608317f83c6b208… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"tags":["vendor-advisory"],"url":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00022"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c44ad92b7616a258e2146e3209f3f94123709f42c103a196edbbde660f6eb212 · sha256:2608317f83c6b208… · /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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