High 7.3Published Feb 4, 2026

CVE-2025-15555Open5GS VoLTE Cx-Test hss-cx-path.c hss_ogs_diam_cx_mar_cb stack-based overflow

Updated under an hour ago (Oct 27, 2026, 6:50 PM ET)

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It affects n/a Open5GS. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for n/a Open5GS

Exploited in the last 30 days

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.

CVSS: 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
Weakness (CWE): CWE-121, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Modified
Record last updated: Apr 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a Open5GS open5gs:open5gs	2.7.0; 2.7.1; 2.7.2; 2.7.3; 2.7.4; 2.7.5; 2.7.6	CNA record
open5gs open5gs open5gs:open5gs	through 2.7.6	NVD

References

References

https://vuldb.com/vuln/343795	vdb-entry, technical-description
https://vuldb.com/vuln/343795/cti	signature, permissions-required
https://vuldb.com/submit/741901	third-party-advisory
https://github.com/open5gs/open5gs/issues/4177	issue-tracking, exploit, third-party-advisory
https://github.com/open5gs/open5gs/issues/4177#event-21256395700	issue-tracking, exploit, third-party-advisory
https://github.com/open5gs/open5gs/commit/54dda041211098730221d0ae20a2f9f9173e7a21	patch
https://github.com/open5gs/open5gs/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.