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Exploit / PoCcriticalExploited in the wild

NCSC Urges Immediate Patching of F5 BIG

Infosecurity Magazineby Phil Muncaster ()2 min read1 · 1 read
Analyze CVE-2025-53521 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

All
CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2025-53521
Stack-Based Buffer Overflow in F5 BIG-IP APM Enables Unauthenticated RCE
9.32%KEV
KEV

From the original article

2 min read at infosecurity-magazine.com

UK organizations have been encouraged to immediately patch a critical new vulnerability in F5’s BIG-IP Access Policy Manager (APM) product currently under active exploitation. The National Cyber Security Centre (NCSC) explained that it is still “working to fully understand UK impact and any potential cases of active exploitation affecting UK networks.”

Infosecurity Magazine

By Phil Muncaster · infosecurity-magazine.com

Read the full article at Infosecurity Magazine

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.