What’s Vulnerable › Vulnerabilities

CVE-2025-44951

• Severity: high (CVSS 7.1 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_dev_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.dev` field with a value with length greater than 32.

Affected products

• Open5GS: through 2.7.2

References

• https://gist.github.com/scmdcs/6d878d6074f0e2f4a8fb69e9864068b7
• https://github.com/open5gs/open5gs/commit/e3dd98cd291fba233a46adb2881213fc6e38b924
• https://github.com/open5gs/open5gs/issues/3775

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