CVE-2026-111214

Netgate pfSense CE 2.7.0 through 2.9.0 contains an OS command injection vulnerability that allows authenticated users with QinQ edit privilege to run commands by storing an…

• Severity: High
• CVSS 8.6
• EPSS 10.01%
• Public exploit
• P1 · Patch now

Why P1: public exploit, high EPSS.

Description

Netgate pfSense CE 2.7.0 through 2.9.0 contains an OS command injection vulnerability that allows authenticated users with QinQ edit privilege to run commands by storing an unvalidated parent interface name. Attackers can save a crafted 'if' value, then edit the QinQ entry so it is interpolated into ifconfig shell commands, executing commands as root.

Affected products

• pfsense >= 2.7.0, <= 2.9.0

Weakness

• CWE-78

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

References

• NVD record NVD
• CVE Program record CVE Program
• Reference NVD
• Reference NVD
• Reference NVD
• Reference NVD
• Reference NVD
• Reference NVD
• Reference NVD
• GitHub security advisory GitHub

Published 2026-10-15 · updated 2026-10-19 · sources: NVD, GitHub Advisory Database