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.
This CVE has been withdrawn by MITRE
MITRE marked CVE-2026-111221 as REJECTED on . It is no longer considered a valid vulnerability record. The original content below is preserved for historical reference only.
Reason given by MITRE
This CVE ID has been rejected because it does not describe a security vulnerability.
CVE-2026-111221
✕ Withdrawn — historical dataHIGHNVD 7.2
7.2CVSS
- CVSS v3
- 7.2
- EchelonGraph score
- Not yet assessedThis CVE record was withdrawn by its numbering authority, so there is no vulnerability to rate.
- EPSS PROB
- —
- EPSS %ILE
- —
- KEV
- —Not applicable: this CVE ID was withdrawn
Published
October 15, 2026
Last Modified
October 26, 2026
References (6)
- disclosure@vulncheckhttps://abraxaslabs.tech/research/pfsense-ce-leftovers
- disclosure@vulncheckhttps://github.com/abraxas/pfsense-l2tp-radius-mpd
- disclosure@vulncheckhttps://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/vpn.inc#L202-L215
- disclosure@vulncheckhttps://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/vpn.inc#L428-L441
- disclosure@vulncheckhttps://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/vpn_l2tp.php#L137-L143
- disclosure@vulncheckhttps://www.vulncheck.com/advisories/netgate-pfsense-ce-through-2.9.0-command-injection-via-radius-secret-mpd-conf-injection
Frequently asked(4)
What is CVE-2026-111221?
CVE-2026-111221 is a rejected CVE ID: its record was withdrawn on November 6, 2026 and no longer describes a vulnerability. Reason given: This CVE ID has been rejected because it does not describe a security vulnerability.
When was the CVE record for CVE-2026-111221 published?
The CVE record for CVE-2026-111221 was published on October 15, 2026. EchelonGraph's copy of the record carries a last-modified date of October 26, 2026; the record at its source may have been updated since.
What is the CVSS score of CVE-2026-111221?
CVE-2026-111221 has a CVSS v3 base score of 7.2 (NVD).
How do I remediate CVE-2026-111221?
There is nothing to remediate under CVE-2026-111221: it is a rejected (withdrawn) CVE ID and no longer describes a vulnerability.