Critical F5 BIG-IP Flaw Upgraded to 9.8 RCE, Exploited in the Wild
ID: f30cdf50-120b-5335-9a05-552fc0e780c4
STIX ID: report--f30cdf50-120b-5335-9a05-552fc0e780c4
Feed Name: HackRead
Threat Score
F5 has disclosed CVE-2025-53521, a critical memory-handling flaw in BIG-IP APM (15.x–17.x) that enables remote code execution; researchers report active exploitation, deployment of stealthy malware (c05d5254), and multiple IoCs (unusual files, altered binaries, failed integrity checks), and urge immediate patching or rebuilding of compromised systems.
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