What’s Vulnerable › Vulnerabilities

CVE-2025-44952

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-06-18 · updated 2026-06-17
• Weakness: CWE-120

Description

A missing length check in `ogs_pfcp_subnet_add` function from PFCP library, used by both smf and upf in open5gs 2.7.2 and earlier, allows a local attacker to cause a Buffer Overflow by changing the `session.dnn` field with a value with length greater than 101.

Affected products

• Open5GS: through 2.7.2

References

• https://gist.github.com/scemodicecosa/8643fbfc9490f40e955e9f9e9b0d9077
• https://gist.github.com/scmdcs/8643fbfc9490f40e955e9f9e9b0d9077
• https://github.com/open5gs/open5gs/issues/3775

Get alerted when CVE-2025-44952 or the next vulnerability affects your stack