PT-2026-3362 · Open5Gs · Open5Gs

Linziyu · CVE-2025-15531 · Published 2026-01-17 · Updated 2026-01-17

Positive Technologies (AI Summary)

CVSS v4.0

5.5

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Name of the Vulnerable Software and Affected Versions Open5GS versions up to 2.7.5

Description A flaw exists in Open5GS up to version 2.7.5 related to the sgwc bearer add function within the src/sgwc/context.c file. This manipulation can trigger a reachable assertion. The issue is remotely exploitable and a public exploit exists. The issue is reported as already-fixed.

Recommendations Update to a version later than 2.7.5. As a temporary workaround, consider restricting the use of the sgwc bearer add function until a patch is available.

Exploit

Fix

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

CVE-2025-15531

Affected Products

Open5Gs

References · 10

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/15xxx/CVE-2025-15531.json · Exploit
• 🔥 https://github.com/open5gs/open5gs/issues/4233#issue-3776216182 · Exploit
• https://github.com/open5gs/open5gs/issues/4233 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-15531 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-15531 · Security Note
• https://vuldb.com/?submit.729339 · Note
• https://github.com/open5gs/open5gs · Note
• https://twitter.com/CVEnew/status/2012669654590972151 · Twitter Post
• https://vuldb.com/?id.341598 · Note
• https://vuldb.com/?ctiid.341598 · Note