CVE-2026-111221highCWE-93

CVE-2026-111221: high-severity vulnerability in Netgate pfSense CE

Netgate pfSense CE through 2.9.0 Command Injection via RADIUS Secret mpd.conf Injection

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41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 7.5epss 0.9%
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.
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Netgate · pfSense CE
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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