CVE-2026-119424
MEDIUM
NVD
CVSS Score
6.8
Severity
MEDIUM
Published
Oct 30, 2026
Vendor
unknown
Description
OPNsense core before 26.7.8 contains a configuration line injection vulnerability that allows authenticated users with wireless-edit privilege to inject directives by embedding CR/LF characters in WPA fields. Attackers can place newlines in wpa.identity, wpa.passphrase, or RADIUS shared secrets to append arbitrary wpa_supplicant or hostapd directives loaded by root-run daemons.
References
- https://abraxaslabs.tech/research/opnsense-wlan-wpa-line
- https://github.com/opnsense/core
- https://github.com/opnsense/core/blob/26.7.7/src/etc/inc/interfaces.inc#L1901
- https://github.com/opnsense/core/blob/26.7.7/src/opnsense/mvc/app/models/OPNsense/Interfaces/Wlan.xml#L185
- https://github.com/opnsense/core/commit/3bbd714b4c4b60f164e2e908501f208d3eadf645