Openwrt before v21.02.3 and Openwrt v22.03.0-rc6 were discovered to contain two skip loops in the function header_value(). This vulnerability allows attackers to access sensitive information via a crafted HTTP request.
https://git.openwrt.org/?p=project/cgi-io.git%3Ba=patch%3Bh=901b0f0463c9d16a8cf5b9ed37118d8484bc9176