CVE-2025-15555HIGH 8.2EPSS p39.8%

CVE-2025-15555CVE-2025-15555

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.

Scoring

CVSS 3.18.2 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
EPSS0.52% probability of exploitation · percentile 39.8% · 2026-06-18T12:00:27Z
Published2026-02-04
Last modified2026-04-07

Underlying weaknesses· 3

CWE-119CWE-121CWE-787

References

  1. https://github.com/open5gs/open5gs/
  2. https://github.com/open5gs/open5gs/commit/54dda041211098730221d0ae20a2f9f9173e7a21
  3. https://github.com/open5gs/open5gs/issues/4177
  4. https://github.com/open5gs/open5gs/issues/4177#event-21256395700
  5. https://vuldb.com/submit/741901
  6. https://vuldb.com/vuln/343795
  7. https://vuldb.com/vuln/343795/cti
  8. https://github.com/open5gs/open5gs/issues/4177#event-21256395700

3

TypeTargetConfidenceTier
WeaknessImproper Restriction of Operations within the Bounds of a Memory Buffercwe-1190%live
WeaknessStack-based Buffer Overflowcwe-1210%live
WeaknessOut-of-bounds Writecwe-7870%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.