CVE-2026-111226
CVE-2026-111226 · Netgate pfSense CE 2.4.5 through 2.9.0 OS Command Injection via system_advanced_admin.php
Esta página presenta datos de fuentes públicas de vulnerabilidades. Consulta el aviso original antes de actualizar.
pfSense CE 2.4.5 through 2.9.0 contains an OS command injection vulnerability that allows authenticated WebGUI users with Advanced Admin Access privilege to execute commands as root via Login Protection settings. Attackers can submit sshguard threshold, block time, or detection time values containing newlines or $(...) that are written unvalidated to sshguard.conf and sourced as root on restart.
CVSS 8.6 · Alta · EPSS 6,5%
- Publicación
- Actualización
Productos y versiones afectados
pfsense ce
- Versiones
- ≥ 2.4.5, ≤ 2.9.0: Afectada (semver)
Sin corrección publicada
Fuentes originales
- https://github.com/abraxas/pfsense-sshguard-crlf
- https://abraxaslabs.tech/research/pfsense-ce-leftovers
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/usr/local/pfSense/include/www/system_advanced_admin.inc#L355-L381
- https://github.com/pfsense/pfsense/blob/9363ac5b8651a1c7a333180425ce7719070f95f9/src/etc/inc/syslog.inc#L531-L563
- https://www.vulncheck.com/advisories/netgate-pfsense-ce-2.4.5-through-2.9.0-os-command-injection-via-system-advanced-admin-php
- https://nvd.nist.gov/vuln/detail/CVE-2026-111226