CVE-2026-111214
CVE-2026-111214 · Netgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via interfaces_qinq_edit.php
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 8.6 · High · EPSS 10.8%
- Published
- Updated
Affected products and versions
pfsense ce
- Versions
- ≥ 2.7.0, ≤ 2.9.0: Affected (semver)
No fix published
Original sources
- https://github.com/abraxas/pfsense-qinq-parent-if
- https://abraxaslabs.tech/research/pfsense-ce-leftovers
- https://abraxaslabs.tech/research/pfsense-qinq-parent-if
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/interfaces_qinq_edit.php#L136
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/interfaces_qinq_edit.php#L212
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/interfaces.inc#L620
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.0-through-2.9.0-os-command-injection-via-interfaces-qinq-edit-php
- https://nvd.nist.gov/vuln/detail/CVE-2026-111214