Medium severity · published Mar 12, 2025
CVE-2025-25774
An issue was discovered in Open5GS v2.7.2
6.5
CVSS
0.4%
EPSS
No
On KEV
Description
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).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Open5gs · Open5gs
2.7.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-25774
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-25774
Exploit
https://github.com/guoweifk/BugReport/blob/main/Open5GS%20AMF%20Denial%20of%20Service%20via%20GMM%20State%20Handling%20in%20Handover
Patch
https://github.com/open5gs/open5gs/commit/2e68706f1eea029d5172ccad946e78b352c031d0
Exploit
https://github.com/open5gs/open5gs/issues/3671
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