CVE-2025-14733: Technical Deep-Dive (Auto Refreshed)

Generated on 2026-03-23T21:24:50.830Z. This file is automatically regenerated every 30 minutes by the CVE AI enrichment job using web sources (NVD, MITRE, CISA KEV, GitHub).

Executive Technical Summary

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 12.11.5 and 2025.1 up to and including 2025.1.3.

• Context preserved from previous revision: 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 12.11.5 and 2025.1 up to and including 2025.1.3. Notes: 📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.

Technical Details

• CVE: CVE-2025-14733
• KEV date added: Unknown
• KEV due date: Not specified
• NVD published: 2025-12-19
• NVD modified: 2025-12-23
• MITRE modified: 2026-02-26
• CVSS base score: 9.8
• CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
• CVSS exploitability score: 3.9
• CVSS impact score: 5.9
• Attack vector: Network
• Attack complexity: Low
• Privileges required: None
• User interaction: None
• Scope: Unchanged
• Confidentiality impact: High
• Integrity impact: High
• Availability impact: High

Versions and Products Impacted

• watchguard / fireware (versions: >= 11.10.2, < 12.5.15)
• watchguard / fireware (versions: >= 11.10.2, < 12.11.6)
• watchguard / fireware (versions: >= 2025.1, < 2025.1.4)
• WatchGuard / Fireware OS (versions: 11.10.2, 12.0, 12.5, 2025.1)

Weakness Classification

• CWE-787

Repositories for Lab Validation (Public Examples)

• nomi-sec/PoC-in-GitHub | stars: 7594 | updated: 2026-03-23 | https://github.com/nomi-sec/PoC-in-GitHub
  Notes: 📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
• machevalia/CVE-2025-14733 | stars: 0 | updated: 2025-12-23 | https://github.com/machevalia/CVE-2025-14733

People and Organizations Mentioned

• WatchGuard
• nomi-sec
• machevalia

Practical Defensive Validation (Authorized Only)

1. Use only isolated environments and systems you own or are explicitly authorized to test.
2. Snapshot infrastructure before validation and preserve baseline logs (EDR, SIEM, OS, app).
3. Inventory watchguard / fireware (versions: >= 11.10.2, < 12.5.15) assets and confirm exact vulnerable versions with automated checks.
4. Patch in staged environments and validate closure with scanners + service health checks.
5. Map detections to MITRE ATT&CK tactics relevant to your environment and tune alert quality.

References

• NVD record: https://nvd.nist.gov/vuln/detail/CVE-2025-14733
• MITRE CVE record: https://www.cve.org/CVERecord?id=CVE-2025-14733
• CISA KEV Catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
• CISA KEV JSON feed: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json
• https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00027
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-14733
• Repository example: https://github.com/nomi-sec/PoC-in-GitHub
• Repository example: https://github.com/machevalia/CVE-2025-14733

This content is for defensive security training and authorized validation only.