Hackers now exploit critical F5 BIG-IP flaw in attacks, patch now
ID: 5adbe8b6-b452-53f6-9fc9-c01b742f1a11
STIX ID: report--5adbe8b6-b452-53f6-9fc9-c01b742f1a11
Feed Name: Bleeping Computer
Threat Score
F5 Networks updated an advisory reclassifying CVE-2025-53521 in BIG-IP APM from a denial-of-service to a critical remote code execution vulnerability after learning it is being exploited in the wild to install webshells; F5 published IOCs and forensic guidance while CISA added the flaw to its list of actively exploited vulnerabilities and ordered federal agencies to patch or mitigate immediately.
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