CVE-2025-15684

MEDIUM 5.3

Open5GS CER init.c diam_log_func assertion

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability was detected in Open5GS up to 2.7.6. Affected is the function diam_log_func of the file lib/diameter/common/init.c of the component CER Handler. The manipulation results in reachable assertion. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 2.7.7 is able to address this issue. The patch is identified as c1a803516a3c0485696cb9bcca7a80ad857c7383. It is advisable to upgrade the affected component.

CWE	CWE-617
Vendor	n/a
Product	open5gs
Published	Aug 12, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

n/a / Open5GS

2.7.0 2.7.1 2.7.2 2.7.3 2.7.4 2.7.5 2.7.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/387277 vuldb.com: https://vuldb.com/vuln/387277/cti vuldb.com: https://vuldb.com/cve/CVE-2025-15684 vuldb.com: https://vuldb.com/submit/867102 github.com: https://github.com/open5gs/open5gs/issues/4155 github.com: https://github.com/open5gs/open5gs/commit/c1a803516a3c0485696cb9bcca7a80ad857c7383 github.com: https://github.com/open5gs/open5gs/releases/tag/v2.7.7 github.com: https://github.com/open5gs/open5gs/

Credits

🔍 WeiYi (VulDB User)