Cyber Resilience

CVE-2025-25774

MediumPublic PoC

Published: 12 March 2025

Published
12 March 2025
Modified
29 April 2025
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score 0.0034 56.8th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-25774 is a medium-severity Insufficient Control Flow Management (CWE-691) vulnerability in Open5Gs Open5Gs. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked in the top 43.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

An issue was discovered in Open5GS v2.7.2. When a UE switches between two gNBs and sends a handover request at a specific time, it may cause an exception in the AMF's internal state machine, leading to an AMF crash and…

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resulting in a Denial of Service (DoS).

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
Why these techniques?

The vulnerability in Open5GS AMF enables remote denial of service by crashing the service through malformed handover requests exploiting application state handling, facilitating Endpoint Denial of Service via application exploitation.

Affected Assets

open5gs
open5gs
2.7.2

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-691

Design principles and implementation approaches enforce robust control-flow management to maintain function and enable recovery after disruption.

References