CVE-2025-8698: Open5GS · Reachable Assertion
Affects Open5GSSource CVE Database V5
Not known to be exploited · CVSS 4.8 Medium.
Data as of 26 Oct 2026, 09:08 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 10% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PExploitation evidence
Disclosed: evidence found.
CVE published 7 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Open5GS | Affected
| Fixed in– |
AI-suggested
Organizations should promptly apply the official patch identified by commit 66bc558e417e70ae216ec155e4e81c14ae0ecf30 to all affected Open5GS instances. Beyond patching, it is critical to enforce strict access controls to limit local access to the AMF service hosts, including implementing robust authentication and authorization mechanisms for administrative and operational accounts. Network segmentation should isolate core network components to reduce the risk of local exploitation. Continuous monitoring and logging of AMF service behavior can help detect abnormal assertion failures or crashes indicative of exploitation attempts. Additionally, conducting regular security audits and penetration testing focusing on local privilege escalation and insider threat vectors will help identify and remediate potential attack paths. Organizations should also maintain up-to-date incident response plans tailored to 5G core network disruptions.
Description
A vulnerability was found in Open5GS up to 2.7.5. It has been classified as problematic. Affected is the function amf_nsmf_pdusession_handle_release_sm_context of the file src/amf/nsmf-handler.c of the component AMF Service. The manipulation leads to reachable assertion. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. The name of the patch is 66bc558e417e70ae216ec155e4e81c14ae0ecf30. It is recommended to apply a patch to fix this issue.
References
- vuldb.com (opens in a new tab)
- vuldb.com (opens in a new tab)
- vuldb.com (opens in a new tab)
- github.com/open5gs/open5gs/issues/4012 (opens in a new tab)
- github.com/user-attachments/files/21356631/amf_nsmf_pdusession_handle_release_sm_context.zip (opens in a new tab)
- github.com/open5gs/open5gs/commit/66bc558e417e70ae216ec155e4e81c14ae0ecf30 (opens in a new tab)