CVE•Published 2026-10-15•Modified 2026-10-26•0 articles on news•4 live references•NVD data

CVE-2026-111221Pfsense · Pfsense

Vulnerability data via NVD (ingested)

CVSS v3.1

6.6

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 39% of all CVEs

Weaknesses (CWE)

CWE-93Improper Neutralization of CRLF Sequences

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.

Timeline

Published 2026-10-15

Modified 2026-10-26

External references

NVD MITRE Exploit-DB VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag28 hosts

vuln:CVE-2026-111221

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Pfsense Pfsense"

All exposed Pfsense Pfsense instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Pfsense"

HTTP body or banner mentions "Pfsense" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-111221