CVE-2025-14733
WatchGuard Firebox iked Out of Bounds Write Vulnerability
02 Description
WatchGuard Firebox iked Out of Bounds Write Vulnerability
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2025-12-19. Federal remediation due 2025-12-26. Known ransomware campaign use: reported by CISA.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 29.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 98.1% of scored records. A rank, not a probability.
- NVD base score
- 9.3 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Red
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-09-09.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2025-12-19 00:01Z10 MO AGO
- Last updated
- 2026-09-09 04:18Z1 MO AGO
- Reserved
- 2025-12-15
- Assigning CNA
- WatchGuard
- Record state
- PUBLISHED
- Severity
- Critical (CVSS 9.3)
- CNA CVSS vector
- 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/U:Red
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.2
- Document digest
- eade0e0d13b4f8d36795aefa1fe8e9e15fe5995e00eb878a8fa7e3632e682932
05 Affected products
06 References
- psirt.watchguard.comhttps://psirt.watchguard.com/CVE-2025-14733
- www.watchguard.comhttps://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00027
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-14733
07 Remediation
Fireware OS 2025.1.4, Fireware OS 12.11.6, Fireware OS 12.5.15, Fireware OS 12.3.1-b728352 In addition to installing the latest Fireware OS that contains the fix, administrators that have confirmed threat actor activity on their Firebox appliances must take precautions to rotate all locally stored secrets on vulnerable Firebox appliances as described in our Best Practices to Rotate Shared Secrets Stored on the Firebox knowledge base article (https://techsearch.watchguard.com/KB?type=Article&SFDCID=kA1Vr000000DNMzKAO&lang=en_US).