CVE-2025-8805: open5gs — Exploit & Fix

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.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-404 CWE-404

Affected Products

Vendor	Product	Versions
open5gs	open5gs	< 2.7.6

References

Advisories & Patches

https://github.com/open5gs/open5gs/commit/c58b8f081986aaf2a312d73a0a17985518b47fe6

Exploits

https://github.com/user-attachments/files/21229739/smf_crash.zip

Other References

https://github.com/ZHENGHAOHELLO/BugReport 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://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

Frequently Asked Questions

What is CVE-2025-8805? +

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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2025-8805? +

CVE-2025-8805 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-8805? +

CVE-2025-8805 affects products from open5gs, specifically: open5gs. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-8805? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2025-8805