{"id":182505,"date":"2026-07-07T16:53:19","date_gmt":"2026-07-07T14:53:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/bekdor-v-proshivkah-tenda-pozvolyayushhij-poluchit-dostup-s-pravami-administratora"},"modified":"2026-07-07T16:53:19","modified_gmt":"2026-07-07T14:53:19","slug":"bekdor-v-proshivkah-tenda-pozvolyayushhij-poluchit-dostup-s-pravami-administratora","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/bekdor-v-proshivkah-tenda-pozvolyayushhij-poluchit-dostup-s-pravami-administratora","title":{"rendered":"Backdoor \u00een firmware-urile Tenda, care permite accesul cu drepturi de administrator","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00cen firmware-urile utilizate \u00een routerele de consum \u0219i industriale, switch-uri, puncte de acces wireless \u0219i sisteme de supraveghere video ale companiei Tenda, a fost descoperit un backdoor (CVE-2026-11405) care permite accesul la interfa\u021ba web cu drepturi de administrator, ocolind procesul standard de autentificare, indiferent de set\u0103rile contului de administrator. Drepturile de acces furnizate permit gestionarea tuturor set\u0103rilor, manipularea traficului, dezactivarea m\u0103surilor de protec\u021bie \u0219i utilizarea dispozitivului ca o platform\u0103 pentru atacuri asupra sistemelor din re\u021beaua local\u0103.    <\/p>\n<p>Problema este cauzat\u0103 de prezen\u021ba unei func\u021bionalit\u0103\u021bi nedocumentate \u00een procesul \/bin\/httpd, construit\u0103 \u00een func\u021bia login(). \u00cen cazul unei verific\u0103ri e\u0219uate a parolei prin hash utiliz\u00e2nd algoritmul MD5 pentru orice nume de utilizator, codul a apelat func\u021bia GetValue(\u201esys.rzadmin.password\u201d), care verifica concordan\u021ba parolei cu valoarea predefinit\u0103 \u00een firmware \u00een clar. \u00cen cazul unei coinciden\u021be, indiferent de numele de utilizator specificat, se crea o sesiune cu privilegii de administrator.    <\/p>\n<p>Pentru a utiliza backdoor-ul, este suficient s\u0103 ave\u021bi acces pentru a trimite cereri c\u0103tre dispozitiv prin HTTP sau HTTPS. Ca m\u0103sur\u0103 de precau\u021bie, se recomand\u0103 interzicerea accesului la serverul HTTP \u00eencorporat \u00een firmware din re\u021bele externe.     <\/p>\n<p>Existen\u021ba problemei a fost confirmat\u0103 \u00een firmware-urile:  <\/p>\n<ul>\n<li> US_FH1201V1.0BR_V1.2.0.14(408)_EN_TD\n<li> US_W15EV1.0br_V15.11.0.5(1068_1567_841)_EN_TDE\n<li> US_AC10V1.0re_V15.03.06.46_multi_TDE01\n<li> US_AC5V1.0RTL_V15.03.06.48_multi_TDE01\n<li> US_AC6V2.0RTL_V15.03.06.51_multi_TDE01  <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65856\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0430\u0445, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0445 \u0432 \u043f\u043e\u0442\u0440\u0435\u0431\u0438\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0445 \u0438 \u043f\u0440\u043e\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u044b\u0445 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u0430\u0445, \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u0430\u0445, \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0445 \u0442\u043e\u0447\u043a\u0430\u0445 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0432\u0438\u0434\u0435\u043e\u043d\u0430\u0431\u043b\u044e\u0434\u0435\u043d\u0438\u044f \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Tenda, \u0432\u044b\u044f\u0432\u043b\u0435\u043d \u0431\u044d\u043a\u0434\u043e\u0440 (CVE-2026-11405), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u0434\u043e\u0441\u0442\u0443\u043f \u043a web-\u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u0443 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 \u0432 \u043e\u0431\u0445\u043e\u0434 \u0448\u0442\u0430\u0442\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 \u0430\u0443\u0442\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0438 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e \u043e\u0442 \u043d\u0430\u0441\u0442\u0440\u043e\u0435\u043a \u0443\u0447\u0451\u0442\u043d\u043e\u0439 \u0437\u0430\u043f\u0438\u0441\u0438 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430. \u041f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0435 \u043f\u0440\u0430\u0432\u0430 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0442 \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0432\u0441\u0435\u043c\u0438 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u043c\u0438, \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0442\u0440\u0430\u0444\u0438\u043a\u043e\u043c, \u043e\u0442\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0437\u0430\u0449\u0438\u0442\u044b \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-182505","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0430\u0445, 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