CVE-2025-25774
MEDIUMOpen5GS - Denial of Service via GMM State Handling in Handover
Title source: llmDescription
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 resulting in a Denial of Service (DoS).
References (3)
Core 3
Core References
Exploit, Third Party Advisory
https://github.com/guoweifk/BugReport/blob/main/Open5GS%20AMF%20Denial%20of%20Service%20via%20GMM%20State%20Handling%20in%20Handover
Exploit, Issue Tracking, Vendor Advisory
https://github.com/open5gs/open5gs/issues/3671
Scores
CVSS v3
6.5
EPSS
0.0039
EPSS Percentile
30.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-691
Status
published
Products (1)
open5gs/open5gs
2.7.2
Published
Mar 12, 2025
Tracked Since
Feb 18, 2026