{"id":"CVE-2026-111221","aliases":[],"cve":{"records":[{"id":"CVE-2026-111221","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-15T18:21:20.429Z","published":"2026-10-15T18:46:21.847Z","modified":"2026-10-26T15:08:34.818Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-10-15T18:46:21.847Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-26T15:08:34.818Z"}],"references":[{"url":"https://github.com/abraxas/pfsense-l2tp-radius-mpd","tags":["exploit","technical-description"],"source":"VulnCheck"},{"url":"https://abraxaslabs.tech/research/pfsense-ce-leftovers","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/vpn.inc#L428-L441","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/vpn.inc#L202-L215","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/vpn_l2tp.php#L137-L143","tags":["technical-description"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-command-injection-via-radius-secret-mpd-conf-injection","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-93","description":"Improper Neutralization of CRLF Sequences ('CRLF Injection')","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*","versionEndIncluding":"2.9.0"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-26T15:08:23.800901Z","decisions":[{"name":"Exploitation","value":"poc"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Netgate pfSense CE through 2.9.0 Command Injection via RADIUS Secret mpd.conf Injection","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"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.","score":7.5,"severity":"high","published":"2026-10-15T18:46:21.847Z","modified":"2026-10-26T15:08:34.818Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Netgate","name":"pfSense CE","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"2.9.0","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:github/pfsense/pfsense","cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-111221"}],"remediation":[],"references":["https://github.com/abraxas/pfsense-l2tp-radius-mpd","https://abraxaslabs.tech/research/pfsense-ce-leftovers","https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/vpn.inc#L428-L441","https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/vpn.inc#L202-L215","https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/vpn_l2tp.php#L137-L143","https://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-command-injection-via-radius-secret-mpd-conf-injection"],"sources":[{"name":"CVE","id":"CVE-2026-111221","modified":"2026-10-26T15:08:34.818Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-111221"}],"assessments":[{"source":"VulnCheck","vector":"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","score":7.5},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H","score":6.6}],"sourceAffected":[],"observedAt":"2026-10-29T14:29:48.601Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T15:00:32.580Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"Netgate pfSense CE through 2.9.0 has a command injection vulnerability, allowing authenticated WebGUI users with L2TP or PPPoE Server edit privileges to inject mpd5 commands via an unescaped RADIUS shared secret. This can execute an up-script as root when a session starts.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:37:29.458Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-111221"}]}}