CVE-2026-119424

CVSS 6.8 (medium) · published 2026-10-30

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.

Weakness: CWE-93

Source: NVD CVE-2026-119424

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
• https://github.com/opnsense/core/commit/9f1eac0f9bdf705766ab61f9d62b9d55757fd0da
• https://www.vulncheck.com/advisories/opnsense-before-26.7.8-wireless-wpa-configuration-line-injection-via-identity
• https://abraxaslabs.tech/research/opnsense-wlan-wpa-line

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