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High severity7.5NVD Advisory· Published Apr 22, 2025· Updated Jun 17, 2026

CVE-2025-29339

CVE-2025-29339

Description

An issue in UPF in Open5GS UPF versions up to v2.7.2 results an assertion failure vulnerability in PFCP session parameter validation. When processing a PFCP Session Establishment Request with PDN Type=0, the UPF fails to handle the invalid value propagated from SMF (or via direct attack), triggering a fatal assertion check and causing a daemon crash.

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Affected products

3
  • Open5gs/Open5gs2 versions
    cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*range: <=2.7.2
    • (no CPE)range: <=2.7.2
  • Open5GS/UPFdescription

Patches

Vulnerability mechanics

References

1

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