Unified delivery & security for applications, APIs, & AI workloads across any infrastructure, trusted by 85% of the Fortune 500. Secure your digital ecosystem.
Our summaryApplication delivery and security company, maker of BIG-IP.
“Learn how F5 security solutions protect web applications and APIs across hybrid multicloud architectures to reduce risk and complexity while unleashing innovation. [C”
Web application firewall, API security, bot management and DDoS mitigation, as a service or self-managed.
Product pageIndependent tests, peer reviews and articles about F5. We link to them; we did not write or commission them, and nobody pays to appear here.
Stories in our coverage based on what researchers at F5 found or reported: 5 in total.
Critical F5 BIG-IP vulnerability exploited as zero-day, allowing unauthenticated RCE.
Mass-scanning campaign exploits Vite flaw to steal cloud credentials from exposed dev servers.
Hackers exploit Vite dev servers via CVE-2026-39364 to steal AWS and Azure cloud secrets.
NGINX critical flaw CVE-2026-42945 actively exploited days after disclosure; affects 30% of internet
F5 BIG-IP APM vulnerability CVE-2025-53521 upgraded to critical 9.8 RCE, actively exploited in the wild.
Stories where a F5 product had a vulnerability or was attacked, or F5 itself was: 37 in total. Useful if you run its products.
F5 and Juniper Networks release patches for dozens of critical vulnerabilities.
NGINX fixes five vulnerabilities, including potential RCE and a TLS flaw.
F5 BIG-IP APM zero-day RCE vulnerability exploited in the wild.
CISA adds four exploited vulnerabilities to KEV Catalog, impacting Check Point, Arista, and F5 products.
Hackers exploit Fortinet and F5 vulnerabilities to breach Thai broadband provider 3BB.
Malware injects PHP web shell into memory on F5 BIG-IP APM, evading disk-based detection.
Hackers deploy Linux rootkit on F5 BIG-IP APM devices via RCE vulnerability.
US officials disrupt Chinese state-sponsored espionage operation targeting federal agencies.
Eclypsium launches InfraTrust report prioritizing infrastructure vulnerabilities for patching.
Critical nginx heap buffer overflow (CVE-2026-42533) allows DoS and potential RCE via crafted HTTP requests.
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