What’s Vulnerable › Vulnerabilities

CVE-2025-8805: Open5GS SMF gsm-sm.c smf_gsm_state_wait_pfcp_deletion denial of service

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-08-10 · updated 2026-06-17
• Weakness: CWE-404

Description

A vulnerability was determined in Open5GS up to 2.7.5. Affected by this issue is the function smf_gsm_state_wait_pfcp_deletion of the file src/smf/gsm-sm.c of the component SMF. The manipulation leads to denial of service. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.7.6 is able to address this issue. The patch is identified as c58b8f081986aaf2a312d73a0a17985518b47fe6. It is recommended to upgrade the affected component.

Affected products

• Open5GS: before 2.7.6 — fixed in 2.7.6

How to fix

Upgrade to a fixed version: Open5GS 2.7.6. Check the vendor advisory for mitigations.

References

• https://github.com/ZHENGHAOHELLO/BugReport
• https://github.com/open5gs/open5gs/commit/c58b8f081986aaf2a312d73a0a17985518b47fe6
• https://github.com/open5gs/open5gs/issues/4000
• https://github.com/open5gs/open5gs/issues/4000#issuecomment-3091321920
• https://github.com/open5gs/open5gs/releases/tag/v2.7.6
• https://github.com/user-attachments/files/21229739/smf_crash.zip
• https://vuldb.com/?ctiid.319334
• https://vuldb.com/?id.319334
• https://vuldb.com/?submit.626125
• https://github.com/open5gs/open5gs/issues/4000
• https://github.com/open5gs/open5gs/issues/4000#issuecomment-3091321920

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