TI-2026-74966 Aliases CVE-2026-111223

Command injection in Netgate pfSense CE via IPsec Mobile login banner

MEDIUM 41CWE-74Published 2026-10-15 · Updated 2026-10-15

Key facts

Attack vector: Network
Privileges required: High
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Netgate pfSense CE from 2.7.0 through 2.9.0 contains a configuration injection flaw (CWE-74) in how the IPsec Mobile login banner is written into the VPN configuration. An authenticated user with IPsec Mobile privileges can submit a crafted single-line banner that runs commands as root when the IPsec service restarts. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00751 55th percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Netgate	pfSense CE	2.7.0 – 2.9.0	—	No fix listed	CNA

pfSense CE VendorNetgate Affected 2.7.0 – 2.9.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:pfsense:pfsense:::::community:::*	2.7.0 – 2.9.0	Vulnerable	pfSense

cpe:2.3:a:pfsense:pfsense:*:*:*:*:community:*:*:* Versions 2.7.0 – 2.9.0 Vulnerable ·pfSense

Remediation

The sources list no fixed version for pfSense CE.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

2026-10-16 Threatist record created from CVE-2026-111223
2026-10-16 Priority changed: LOW → MEDIUM

References

Exploit 2

Patch 1

https://github.com/pfsense/pfsense/commit/27a52d0807

Other 4

TI-2022-13704 pfSense pfBlockerNG through 2.1.4_26 allows remote attackers to execute arbitrary OS… CVSS 3.1CRITICAL 9.8
TI-2023-12003 A command injection vulnerability in the function restore_rrddata() of Netgate pfSense… CVSS 3.1HIGH 8.8
TI-2024-31010 A cross-site scripting (XSS) vulnerability in pfsense v2.5.2 allows attackers to execute… CVSS 3.1CRITICAL 9.3
TI-2023-11923 Improper restriction of excessive authentication attempts in the SSHGuard component of… CVSS 3.1CRITICAL 9.8
TI-2023-26046 An issue in Netgate pfSense Plus v.23.05.1 and before and pfSense CE v.2.7.0 allows a… CVSS 3.1HIGH 8.8
TI-2023-22567 An issue in Netgate pfSense v.2.7.0 allows a remote attacker to execute arbitrary code… CVSS 3.1HIGH 8.8

See all 92 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences