Public proof of conceptFix available

CVE-2025-15532

A public proof of concept exists; no exploitation attested.

Published2026-01-17
WeaknessCWE-400 · CWE-404

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A security flaw has been discovered in Open5GS up to 2.7.5. This issue affects some unknown processing of the component Timer Handler. The manipulation results in resource consumption. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The patch is identified as c7c131f8d2cb1195ada5e0e691b6868ebcd8a845. It is best practice to apply a patch to resolve this issue.

Timeline

dates in UTC

2026-01-1717:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2025-15532?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2025-15532?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Open5gs

Branch	Affected	Fixed in	Source
2.7	≤ 2.7.5	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

github.comPatch
github.comVendor Advisory
github.comVendor Advisory
github.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CISA-ADPSSVC decisionpoc2026-01-20
OpenCVESSVC decisionpoc—
CNACVSS 4.05.5read 2026-10-23
CNACVSS 3.15.3read 2026-10-23
NVDCVSS 3.17.5read 2026-10-23
CNACVSS 2.05read 2026-10-23
CNAweakness (CWE)CWE-400, CWE-404read 2026-10-23
NVDweakness (CWE)CWE-404read 2026-10-23
FIRST EPSSEPSS score1.1 %2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 4.0 vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published: 2026-01-17
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2025-15532?

Is CVE-2025-15532 actively exploited?

A proof-of-concept exploit exists for CVE-2025-15532, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2025-15532?

CVE-2025-15532 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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