CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:NOpenWrt is a Linux operating system targeting embedded devices. Prior to 25.12.5, the cgi-download handler in cgi-io authorizes the requested path against the caller's ubus session file ACL before canonicalization, and rpcd session.c uses fnmatch() without FNM_PATHNAME, allowing traversal such as an allowed wildcard prefix followed by ../ to read root-readable files including /etc/shadow. This vulnerability is fixed in 25.12.5.
OpenWrt has released version 24.10.8 to address a critical vulnerability (CVE-2026-53921) in its DHCPv6 stack, allowing unauthenticated attackers to execute code as root on devices running the firmware. The vulnerability…
