https://feed.craftedsignal.io/tags/cve-2026-30653/Trending threats, MITRE ATT&CK coverage, and detection metadata — refreshed continuously.Hugoenhello@craftedsignal.iohello@craftedsignal.ioTue, 24 Mar 2026 15:16:34 +0000https://feed.craftedsignal.io/briefs/2026-03-free5gc-dos/Tue, 24 Mar 2026 15:16:34 +0000hello@craftedsignal.iohttps://feed.craftedsignal.io/briefs/2026-03-free5gc-dos/A remote attacker can exploit CVE-2026-30653 in Free5GC v4.2.0 and earlier by sending crafted requests to the AMF component's HandleAuthenticationFailure function, leading to a denial-of-service condition.<p>Free5GC is an open-source 5G core network implementation. CVE-2026-30653 affects Free5GC versions 4.2.0 and earlier. The vulnerability resides within the Access and Mobility Management Function (AMF) component, specifically in the <code>HandleAuthenticationFailure</code> function. A remote, unauthenticated attacker can send malicious requests that trigger excessive resource consumption or a crash in the AMF, resulting in a denial-of-service (DoS) condition. This vulnerability was disclosed on March 24…</p> highadvisoryfree5gcdenial-of-servicecve-2026-30653amf