CVE-2025-9405
It is possible to launch the attack remotely.
Does this matter?
Lower severity and a low EPSS score (0.66%). Track it; it rarely justifies an emergency change on its own.
Description
A security flaw has been discovered in Open5GS up to 2.7.5. The impacted element is the function gmm_state_exception of the file src/amf/gmm-sm.c. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited. The patch is identified as 8e5fed16114f2f5e40bee1b161914b592b2b7b8f. Applying a patch is advised to resolve this issue.
- CVSS 4.0
- 5.5 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.66% probability · 51th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-617
- Affected
- open5gs/open5gs
- Source
- cna@vuldb.com
EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/ZHENGHAOHELLO/BugReport/blob/main/CVE-2025-9405Third Party Advisory
- https://github.com/open5gs/open5gs/commit/8e5fed16114f2f5e40bee1b161914b592b2b7b8fPatch
- https://github.com/open5gs/open5gs/issues/3947Exploit, Issue Tracking
- https://github.com/open5gs/open5gs/issues/3947#issuecomment-3029992728Issue Tracking
- https://github.com/user-attachments/files/21013084/amf_udm-uecm.zipProduct
- https://vuldb.com/?ctiid.321241Permissions Required, VDB Entry
- https://vuldb.com/?id.321241Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.633467Third Party Advisory, VDB Entry
- https://github.com/open5gs/open5gs/issues/3947Exploit, Issue Tracking
- https://github.com/open5gs/open5gs/issues/3947#issuecomment-3029992728Issue Tracking
- https://vuldb.com/?submit.633467Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.