CVE-2025-15532

Open5GS Timer resource consumption

HIGH
7.5
CVSS Score
Published: January 17, 2026 at 04:32 PM UTC
Updated: June 17, 2026 at 08:37 AM UTC
1 product affected across 1 vendorOpen5GS

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (12)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.341599
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.341599
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.729354
Third Party AdvisoryVDB Entry
Source: cverecord
https://vuldb.com/?submit.729357
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/open5gs/open5gs/issues/4220
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/open5gs/open5gs/issues/4221
ExploitIssue TrackingVendor Advisory
Source: cverecord
https://github.com/open5gs/open5gs/issues/4220#issue-3766066853

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400CWE-404

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