CVE-2025-15555

HIGH

Open5gs < 2.7.6 - Out-of-Bounds Write

Title source: rule

Description

A security flaw has been discovered in Open5GS up to 2.7.6. Affected by this vulnerability is the function hss_ogs_diam_cx_mar_cb of the file src/hss/hss-cx-path.c of the component VoLTE Cx-Test. The manipulation of the argument OGS_KEY_LEN results in stack-based buffer overflow. The attack may be launched remotely. The patch is identified as 54dda041211098730221d0ae20a2f9f9173e7a21. A patch should be applied to remediate this issue.

References (7)

[Product] https://github.com/open5gs/open5gs/

[Patch] https://github.com/open5gs/open5gs/commit/54dda041211098730221d0ae20a2f9f9173e7a21

[Exploit, Issue Tracking, Third Party Advisory] https://github.com/open5gs/open5gs/issues/4177

[Exploit, Issue Tracking, Third Party Advisory] https://github.com/open5gs/open5gs/issues/4177#event-21256395700

[Permissions Required, VDB Entry] https://vuldb.com/?ctiid.343795

[Third Party Advisory, VDB Entry] https://vuldb.com/?id.343795

[Third Party Advisory, VDB Entry] https://vuldb.com/?submit.741901

Scores

CVSS v3 7.3

EPSS 0.0003

EPSS Percentile 7.2%

Attack Vector NETWORK

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

Classification

CWE

CWE-121 CWE-787 CWE-119

Status published

Affected Products (1)

open5gs/open5gs < 2.7.6

Timeline

Published Feb 04, 2026

Tracked Since Feb 18, 2026