What’s Vulnerable › Vulnerabilities

CVE-2025-8802: Open5GS SMF smf-sm.c smf_state_operational denial of service

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% 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. This vulnerability affects the function smf_state_operational of the file src/smf/smf-sm.c of the component SMF. The manipulation of the argument stream leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version v2.7.6 is able to address this issue. The patch is identified as f168f7586a4fa536cee95ae60ac437d997f15b97. 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/blob/main/CVE-2025-8802
• https://github.com/open5gs/open5gs/commit/f168f7586a4fa536cee95ae60ac437d997f15b97
• https://github.com/open5gs/open5gs/issues/3978
• https://github.com/open5gs/open5gs/releases/tag/v2.7.6
• https://github.com/user-attachments/files/21104269/5G_SMF.AMF_crash.zip
• https://vuldb.com/?ctiid.319330
• https://vuldb.com/?id.319330
• https://vuldb.com/?submit.626122
• https://github.com/open5gs/open5gs/issues/3978

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