What’s Vulnerable › Vulnerabilities

CVE-2025-15532: Open5GS Timer resource consumption

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-17 · updated 2026-06-17
• Weakness: CWE-400

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 products

• Open5GS: through 2.7.5

References

• https://github.com/open5gs/open5gs/
• https://github.com/open5gs/open5gs/commit/c7c131f8d2cb1195ada5e0e691b6868ebcd8a845
• https://github.com/open5gs/open5gs/issues/4220
• https://github.com/open5gs/open5gs/issues/4220#issue-3766066853
• https://github.com/open5gs/open5gs/issues/4221
• https://vuldb.com/?ctiid.341599
• https://vuldb.com/?id.341599
• https://vuldb.com/?submit.729354
• https://vuldb.com/?submit.729357
• https://vuldb.com/?submit.735340
• https://vuldb.com/?submit.735341
• https://vuldb.com/?submit.735342

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