{"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\/cs\/blog\/news\/bekdor-v-proshivkah-tenda-pozvolyayushhij-poluchit-dostup-s-pravami-administratora","title":{"rendered":"Zadn\u00ed vr\u00e1tka v firmwarech Tenda, umo\u017e\u0148uj\u00edc\u00ed p\u0159\u00edstup s administr\u00e1torsk\u00fdmi pr\u00e1vy","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ve firmwaru pou\u017e\u00edvan\u00fdch v spot\u0159ebn\u00edch a pr\u016fmyslov\u00fdch sm\u011brova\u010d\u00edch, switchech, bezdr\u00e1tov\u00fdch p\u0159\u00edstupov\u00fdch bodech a syst\u00e9mech videodohledu spole\u010dnosti Tenda byl nalezen zadn\u00ed vchod (CVE-2026-11405), kter\u00fd umo\u017e\u0148uje p\u0159\u00edstup k webov\u00e9mu rozhran\u00ed s administr\u00e1torsk\u00fdmi pr\u00e1vy obch\u00e1zen\u00edm standardn\u00edho procesu ov\u011b\u0159ov\u00e1n\u00ed a bez ohledu na nastaven\u00ed \u00fa\u010dtu spr\u00e1vce. Poskytovan\u00e1 pr\u00e1va p\u0159\u00edstupu umo\u017e\u0148uj\u00ed spravovat v\u0161echny nastaven\u00ed, manipulovat s provozem, vypnout ochrann\u00e9 prost\u0159edky a pou\u017e\u00edt za\u0159\u00edzen\u00ed jako z\u00e1kladnu pro \u00fatok na syst\u00e9my v m\u00edstn\u00ed s\u00edti.    <\/p>\n<p>Probl\u00e9m je zp\u016fsoben p\u0159\u00edtomnost\u00ed nedokumentovan\u00e9 funkce v procesu \/bin\/httpd, kter\u00e1 je integrovan\u00e1 do funkce login(). V p\u0159\u00edpad\u011b ne\u00fasp\u011b\u0161n\u00e9ho ov\u011b\u0159en\u00ed hesla na z\u00e1klad\u011b hash algoritmu MD5 pro jak\u00e9koliv u\u017eivatelsk\u00e9 jm\u00e9no byla v k\u00f3du vol\u00e1na funkce GetValue(\u201esys.rzadmin.password\u201c), kter\u00e1 kontrolovala shodu hesla s p\u0159edem definovanou hodnotou, um\u00edst\u011bnou ve firmwaru v otev\u0159en\u00e9 podob\u011b. V p\u0159\u00edpad\u011b shody, bez ohledu na zadan\u00e9 u\u017eivatelsk\u00e9 jm\u00e9no, byla vytvo\u0159ena relace s administr\u00e1torsk\u00fdmi pr\u00e1vy.    <\/p>\n<p>Pro vyu\u017eit\u00ed zadn\u00edho vstupu sta\u010d\u00ed m\u00edt p\u0159\u00edstup k odes\u00edl\u00e1n\u00ed po\u017eadavk\u016f na za\u0159\u00edzen\u00ed p\u0159es HTTP nebo HTTPS. Jako obran\u00e1 opat\u0159en\u00ed se doporu\u010duje zak\u00e1zat p\u0159\u00edstup k vestav\u011bn\u00e9mu HTTP serveru z extern\u00edch s\u00edt\u00ed.     <\/p>\n<p>P\u0159\u00edtomnost probl\u00e9mu byla potvrzena ve firmwaru:  <\/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>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65856\">opennet.ru<\/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 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0430\u0445, 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p\u0159\u00edstup.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/bekdor-v-proshivkah-tenda-pozvolyayushhij-poluchit-dostup-s-pravami-administratora","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0411\u044d\u043a\u0434\u043e\u0440 \u0432 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0430\u0445 Tenda, \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 \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 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