{"id":"CVE-2026-111225","published":"2026-10-15T19:17:35.230","lastModified":"2026-10-15T21:05:32.823","description":"Netgate pfSense CE 2.5.0 through 2.9.0 contains an OS command injection vulnerability in openvpn.learn-address.sh that allows authenticated VPN clients to execute commands as the unbound user. Attackers can embed shell metacharacters in the certificate common name or username, which is interpolated unquoted into su -c strings, when DNS Resolver client registration is enabled.","cvssScore":5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L","cwes":["CWE-78"],"vendors":[],"products":[],"references":[{"url":"https://abraxaslabs.tech/research/pfsense-ce-leftovers","tags":[]},{"url":"https://github.com/abraxas/pfsense-ovpn-learn-cn","tags":[]},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/sbin/openvpn.learn-address.sh#L57-L62","tags":[]},{"url":"https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.5.0-through-2.9.0-os-command-injection-via-openvpn-learn-address-sh","tags":[]}],"exploitRefs":[{"url":"https://github.com/abraxas/pfsense-ovpn-learn-cn","tags":[]},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/sbin/openvpn.learn-address.sh#L57-L62","tags":[]}],"hasPoc":true,"ai":null}