CVE-2026-119424 | BDVDB-2026-398494 Detail
opnsensecore
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.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact high, availability impact high. Attack vector: network.
Weaknesses#
- CWE-93 Improper Neutralization of CRLF Sequences ('CRLF Injection')
References#
- https://github.com/opnsense/core/commit/9f1eac0f9bdf705766ab61f9d62b9d55757fd0da
- https://github.com/opnsense/core/commit/3bbd714b4c4b60f164e2e908501f208d3eadf645
- https://github.com/opnsense/core/blob/26.7.7/src/opnsense/mvc/app/models/OPNsense/Interfaces/Wlan.xml#L185
- https://github.com/opnsense/core/blob/26.7.7/src/etc/inc/interfaces.inc#L1901
- https://abraxaslabs.tech/research/opnsense-wlan-wpa-line
- https://github.com/opnsense/core
- https://www.vulncheck.com/advisories/opnsense-before-26.7.8-wireless-wpa-configuration-line-injection-via-identity
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.