What’s Vulnerable › Vulnerabilities

CVE-2025-70122

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-13 · updated 2026-06-17
• Weakness: CWE-122

Description

A heap buffer overflow vulnerability in the UPF component of free5GC v4.0.1 allows remote attackers to cause a denial of service via a crafted PFCP Session Modification Request. The issue occurs in the SDFFilterFields.UnmarshalBinary function (sdf-filter.go) when processing a declared length that exceeds the actual buffer capacity, leading to a runtime panic and UPF crash.

Affected products

• free5gc: 4.0.1

References

• https://github.com/free5gc/free5gc/issues/746

Get alerted when CVE-2025-70122 or the next vulnerability affects your stack