{"id":13025,"date":"2026-09-04T18:59:49","date_gmt":"2026-09-04T10:59:49","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-11405"},"modified":"2026-09-04T18:59:49","modified_gmt":"2026-09-04T10:59:49","slug":"cve-2026-11405","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-11405","title":{"rendered":"CVE-2026-11405 [CRITICAL] &#8211; The web server binary \/bin\/httpd contains a hidden backdoor authentication mechanism in th"},"content":{"rendered":"<p>The web server binary \/bin\/httpd contains a hidden backdoor authentication mechanism in the login() function at 004c88b8.<\/p>\n<p>&#8211; The function contains a normal authentication path using MD5\/hash-based password verification (prod_encode64\/PasswordToMd5\/check_rand_key).<br \/>\n&#8211; After normal authentication fails, it calls GetValue(&#8220;sys.rzadmin.password&#8221;) to read a backdoor password from the device configuration.<br \/>\n&#8211; It performs a direct strcmp() comparison (plaintext, not hashed) between the config value and the user-supplied password.<\/p>\n<p>A successful match grants role=2 (admin-level access) and creates a valid session. The rzadmin username is never checked \u2014 any username works with the backdoor<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The web server binary \/bin\/httpd contains a hidden backdoor authentication mechanism in the login() function at 004c88b8.<\/p>\n<p>&#8211; The function contains a normal authentication path using MD5\/hash-based p<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-13025","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/13025","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13025"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13025"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13025"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}