CVE-2026-111216
Netgate pfSense CE through 2.9.0 OS Command Injection via Gateway Monitor IP
Description
Netgate pfSense CE through 2.9.0 contains an OS command injection vulnerability that allows authenticated users with gateway edit privileges to execute commands as root by injecting shell metacharacters into an IPv6 link-local zone index. Attackers can set a gateway Monitor IP whose unvalidated zone carries a payload, which start_dpinger() passes unescaped to the dpinger shell command when monitoring is applied.
Severity
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitation Context
as of October 18, 2026- Its current EPSS score (6.5%) is higher than that of 21% of CISA KEV entries.
Affected Products
| Vendor | Product | Affected versions |
|---|---|---|
| Netgate | Netgate pfSense CE | 0 to 2.9.0 |
References
5 LinksRecord Details
More from Netgate
Netgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via interfaces_qinq_edit.php
Netgate pfSense CE 2.7.0 through 2.9.0 OS Command Injection via Traffic Shaper Limiters
Netgate pfSense CE through 2.9.0 OS Command Injection via Wireless Parent Interface
Netgate pfSense CE through 2.9.0 OS Command Injection via CARP VHID
Related
Tool categories
CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.