Netgate pfSense CE 2.7.0 through 2.9.0 contains a configuration injection vulnerability that allows authenticated users with IPsec Mobile privileges to execute commands as root via the login_banner field. Attackers can submit a single-line banner containing '}' to escape the unquoted strongswan.conf attr value and define charon.start-scripts entries that charon executes as root on restart.

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Netgate pfSense CE unaffected
Version Status Constraints
2.7.0 affected ≤ 2.9.0

No data.

No data.

No data.

Project Subscriptions

Vendors Products
Netgate Subscribe
Pfsense Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://abraxaslabs.tech/research/pfsense-ce-leftovers cve-icon cve-icon
https://abraxaslabs.tech/research/pfsense-ipsec-login-banner cve-icon cve-icon
https://github.com/abraxas/pfsense-ipsec-login-banner cve-icon cve-icon
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/ipsec.inc#L1361-L1388 cve-icon cve-icon
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/ipsec.inc#L1842-L1845 cve-icon cve-icon
https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/vpn_ipsec_mobile.php#L269-L273 cve-icon cve-icon
https://github.com/pfsense/pfsense/commit/27a52d0807 cve-icon cve-icon
https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.0-through-2.9.0-command-injection-via-ipsec-mobile-login-banner cve-icon cve-icon
History

Thu, 15 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 15 Oct 2026 19:00:00 +0000

Type Values Removed Values Added
Description Netgate pfSense CE 2.7.0 through 2.9.0 contains a configuration injection vulnerability that allows authenticated users with IPsec Mobile privileges to execute commands as root via the login_banner field. Attackers can submit a single-line banner containing '}' to escape the unquoted strongswan.conf attr value and define charon.start-scripts entries that charon executes as root on restart.
Title Netgate pfSense CE 2.7.0 through 2.9.0 Command Injection via IPsec Mobile Login Banner
First Time appeared Netgate
Netgate pfsense
Weaknesses CWE-74
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'}

Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-15T20:04:59.913Z

Reserved: 2026-10-15T18:21:21.197Z

Link: CVE-2026-111223

cve-icon Vulnrichment

Updated: 2026-10-15T20:04:55.491Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-15T19:17:34.943

Modified: 2026-10-15T21:05:32.823

Link: CVE-2026-111223

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses