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CVE-2025-15555

7.3 · HIGH

A security flaw has been discovered in Open5GS up to 2.7.6.

Published Feb 4, 2026CWE-119EPSS 0.58%

Overview

CVE-2025-15555 is a high-severity vulnerability. It was published on February 4, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/open5gs/open5gs/GitHubgithub.com/open5gs/open5gs/commit/54dda041211098730221d0ae20a2f9f9173e7a21GitHubgithub.com/open5gs/open5gs/issues/4177GitHubgithub.com/open5gs/open5gs/issues/4177#event-21256395700Refvuldb.com/submit/741901Refvuldb.com/vuln/343795Refvuldb.com/vuln/343795/ctiGitHubgithub.com/open5gs/open5gs/issues/4177#event-21256395700

How CyberStrike helps

Frequently asked questions

What is CVE-2025-15555?

CVE-2025-15555 is a high-severity vulnerability. It was published on February 4, 2026 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2025-15555?

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2025-15555?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-15555?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-15555 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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