Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
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/OPNsens
- https://github.com/opnsense/core/commit/3bbd714b4c4b60f164e2e908501f208d3eadf645
- https://github.com/opnsense/core/commit/9f1eac0f9bdf705766ab61f9d62b9d55757fd0da
- https://www.vulncheck.com/advisories/opnsense-before-26.7.8-wireless-wpa-configu
FAQ
What is CVE-2026-119424?
CVE-2026-119424 is a vulnerability with a CVSS score of 6.8 (MEDIUM). 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...
How severe is CVE-2026-119424?
CVE-2026-119424 has been rated MEDIUM with a CVSS base score of 6.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-119424?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.