pwn.watch: F5 incident updates https://pwn.watch/t/f5 Live security incidents worldwide: CVEs, patch status, fixed versions, advisories and the posts that broke them. en Thu, 22 Oct 2026 16:23:59 GMT [high] F5 BIG-IP: F5 BIG-IP Stack-Based Buffer Overflow Vulnerability: CISA added CVE-2025-53521 to the KEV catalog (due 2026-03-30). https://pwn.watch/i/f5-big-ip-cve-2025-53521 f5-big-ip-cve-2025-53521:2026-03-27:CISA added CVE-2025-53521 to the KEV catalog (due 2026-03-30). Fri, 27 Mar 2026 00:00:00 GMT high Status: closed, patched [critical] F5 breached by nation-state actor: BIG-IP source code and undisclosed bugs stolen: F5 discloses the breach (SEC 8-K) and ships patches https://pwn.watch/i/f5-nation-state-breach-big-ip-source-code-2025 f5-nation-state-breach-big-ip-source-code-2025:2025-10-15:F5 discloses the breach (SEC 8-K) and ships patches Wed, 15 Oct 2025 00:00:00 GMT critical Source: https://my.f5.com/manage/s/article/K000154696 Status: closed, patched [critical] F5 breached by nation-state actor: BIG-IP source code and undisclosed bugs stolen: CISA issues Emergency Directive 26-01 for F5 devices https://pwn.watch/i/f5-nation-state-breach-big-ip-source-code-2025 f5-nation-state-breach-big-ip-source-code-2025:2025-10-15:CISA issues Emergency Directive 26-01 for F5 devices Wed, 15 Oct 2025 00:00:00 GMT critical Source: https://www.cisa.gov/news-events/directives/ed-26-01-mitigate-vulnerabilities-f5-devices Status: closed, patched [critical] F5 breached by nation-state actor: BIG-IP source code and undisclosed bugs stolen: F5 learns of the intrusion https://pwn.watch/i/f5-nation-state-breach-big-ip-source-code-2025 f5-nation-state-breach-big-ip-source-code-2025:2025-08-09:F5 learns of the intrusion Sat, 09 Aug 2025 00:00:00 GMT critical Source: https://www.sec.gov/Archives/edgar/data/1048695/000104869525000149/ffiv-20251015.htm Status: closed, patched [critical] F5 BIG-IP Configuration Utility: 2 exploited vulnerabilities (CVE-2023-46747, CVE-2023-46748): CISA added CVE-2023-46747 to the KEV catalog (due 2023-11-21). https://pwn.watch/i/f5-big-ip-configuration-utility-cve-2023-46747-46748 f5-big-ip-configuration-utility-cve-2023-46747-46748:2023-10-31:CISA added CVE-2023-46747 to the KEV catalog (due 2023-11-21). Tue, 31 Oct 2023 00:00:00 GMT critical Status: closed, patched [critical] F5 BIG-IP Configuration Utility: 2 exploited vulnerabilities (CVE-2023-46747, CVE-2023-46748): CISA added CVE-2023-46748 to the KEV catalog (due 2023-11-21). https://pwn.watch/i/f5-big-ip-configuration-utility-cve-2023-46747-46748 f5-big-ip-configuration-utility-cve-2023-46747-46748:2023-10-31:CISA added CVE-2023-46748 to the KEV catalog (due 2023-11-21). Tue, 31 Oct 2023 00:00:00 GMT critical Status: closed, patched