CVE-2026-111223
Netgate pfSense CE 2.7.0 through 2.9.0 Command Injection via IPsec Mobile Login Banner
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-74 |
| Vendor | netgate |
| Product | pfsense ce |
| Published | Oct 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
Netgate / pfSense CE
2.7.0 ≤ 2.9.0
References
github.com: https://github.com/abraxas/pfsense-ipsec-login-banner abraxaslabs.tech: https://abraxaslabs.tech/research/pfsense-ce-leftovers abraxaslabs.tech: https://abraxaslabs.tech/research/pfsense-ipsec-login-banner github.com: https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/ipsec.inc#L1361-L1388 github.com: https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/ipsec.inc#L1842-L1845 github.com: https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/www/vpn_ipsec_mobile.php#L269-L273 github.com: https://github.com/pfsense/pfsense/commit/27a52d0807 vulncheck.com: https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.7.0-through-2.9.0-command-injection-via-ipsec-mobile-login-banner
Credits
Abraxas Labs