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CVE-2025-9242

An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow a remote unauthenticated attacker to execute arbitrary code. This vulnerability affects both the Mobile User VPN with IKEv2 and the Branch Office VPN using IKEv2 when configured with a dynamic gateway peer.This vulnerability affects Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.3 and 2025.1.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b5501b5ea5f30f42acdf43f4592b1f93acb3a0984e15e58aa841efe456fb8af6
Known exploited
CISA KEV
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Fireware OS","vendor":"WatchGuard","versions":[{"lessThanOrEqual":"12.11.3","status":"affected","version":"12.0","versionType":"semver"},{"lessThanOrEqual":"11.12.4+541730","status":"affected","version":"11.10.2","versionType":"semver"},{"lessThanOrEqual":"2025.1","status":"affected","version":"2025.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:bb6ff06d158338f9cd76a195d65d20fdd195e66e5e4f126c931866c9102da51b · sha256:8f71623f024532d3… · /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":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","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:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:bb6ff06d158338f9cd76a195d65d20fdd195e66e5e4f126c931866c9102da51b · sha256:8f71623f024532d3… · /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:bb6ff06d158338f9cd76a195d65d20fdd195e66e5e4f126c931866c9102da51b · sha256:8f71623f024532d3… · /containers/cna/problemTypes/0/descriptions/0

Known exploitation assertions

2 source assertions
{"cwes":["CWE-787"],"dateAdded":"2025-11-12","dueDate":"2025-12-03","knownRansomwareCampaignUse":"Unknown","notes":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00015 ; https://nvd.nist.gov/vuln/detail/CVE-2025-9242","product":"Firebox","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescription":"WatchGuard Firebox contains an out-of-bounds write vulnerability in the OS iked process that may allow a remote unauthenticated attacker to execut…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:a00ef6f9459dadde043573340d616c81896a128de7d6ee38b919eb629d8917b4 · sha256:635dff916c4092c0… · /vulnerabilities/203
    Open source location →
{"cwes":["CWE-787"],"dateAdded":"2025-11-12","dueDate":"2025-12-03","knownRansomwareCampaignUse":"Unknown","notes":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00015 ; https://nvd.nist.gov/vuln/detail/CVE-2025-9242","product":"Firebox","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescription":"WatchGuard Firebox contains an out-of-bounds write vulnerability in the OS iked process that may allow a remote unauthenticated attacker to execut…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:4133370e78c6dd4473a2c054adce048d45d38fa5353dc30252be706d4330129f · sha256:16acee8334e59e44… · /vulnerabilities/200
    Open source location →

Source references

3 source assertions
{"tags":["exploit"],"url":"https://github.com/watchtowrlabs/watchTowr-vs-WatchGuard-CVE-2025-9242/blob/main/watchTowr-vs-WatchGuard-CVE-2025-9242.py"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb6ff06d158338f9cd76a195d65d20fdd195e66e5e4f126c931866c9102da51b · sha256:8f71623f024532d3… · /containers/adp/0/references/0
{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-9242"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb6ff06d158338f9cd76a195d65d20fdd195e66e5e4f126c931866c9102da51b · sha256:8f71623f024532d3… · /containers/adp/0/references/1
{"url":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00015"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:bb6ff06d158338f9cd76a195d65d20fdd195e66e5e4f126c931866c9102da51b · sha256:8f71623f024532d3… · /containers/cna/references/0

Attribution and limitations

  • CISA Known Exploited Vulnerabilities JSON: CISA named for provenance; do not use CISA/DHS marks or imply endorsement Source →
  • 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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