@shadowserver.bsky.social on Bluesky

JavaScript RequiredThis is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is. Learn more about Bluesky at bsky.social and atproto.com.

Post

The Shadowserver Foundation

shadowserver.bsky.social

did:plc:3xyh2kw5hfxsax4zff3pp5ub

F5 BIG-IP APM CVE-2025-53521 impact has recently been updated from a DoS to RCE (see: https://my.f5.com/manage/s/article/K000156741) & added to CISA KEV. We are fingerprinting & sharing F5 BIG-IP APM instances - over 17.1K IPs seen on 2026-03-31 globally. This is just a population assessment.

2026-04-01T13:18:13.898Z