CVE-2026-111216

Netgate pfSense CE through 2.9.0 OS Command Injection via Gateway Monitor IP

Published Oct 15, 2026 CVSS 4.0 · 8.6 High EPSS 4.7% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Netgate pfsense Ce
Vendors & Products Netgate pfsense Ce
Type Values Removed Values Added
First Time appeared Pfsense
Pfsense pfsense
CPEs cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:*
Vendors & Products Pfsense
Pfsense pfsense
Type Values Removed Values Added
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.
Title Netgate pfSense CE through 2.9.0 OS Command Injection via Gateway Monitor IP
First Time appeared Netgate
Netgate pfsense
Weaknesses CWE-78
CPEs cpe:2.3:a:netgate:pfsense:*:*:*:*:*:*:*:*
Vendors & Products Netgate
Netgate pfsense
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 26, 2026, 3:10 PM
Reserved
Oct 15, 2026, 6:21 PM
Status
Analyzed
Published
Oct 15, 2026, 7:17 PM
Modified
Oct 26, 2026, 4:17 PM