MinorCritical vulnerability

CVE-2026-111221 (CVSS 7.5)

NVD · officialPublished Oct 15, 2026Risk 23/100EPSS 1.0%

Netgate pfSense CE through 2.9.0 contains a configuration injection vulnerability that allows authenticated WebGUI users to inject mpd5 commands by submitting an unescaped RADIUS shared secret. Attackers with L2TP or PPPoE Server edit privileges can POST a secret containing a quote and newline to vpn_l2tp.php or services_pppoe_edit.php, appending an up-script that executes as root when a session starts.

Technical details

CVSS

7.5

AV:NetworkAC:HighPR:HighUI:None

Evidence and sources

This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.

Open primary source