{"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\/it\/blog\/news\/bekdor-v-proshivkah-tenda-pozvolyayushhij-poluchit-dostup-s-pravami-administratora","title":{"rendered":"Backdoor nelle firmware Tenda che consente l'accesso con privilegi di amministratore","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nei firmware utilizzati nei router, switch, punti di accesso wireless e sistemi di videosorveglianza di Tenda, \u00e8 stata identificata una backdoor (CVE-2026-11405) che consente l'accesso all'interfaccia web con diritti di amministratore, eludendo il processo di autenticazione standard e indipendentemente dalle impostazioni dell'account amministratore. I diritti di accesso concessi permettono di gestire tutte le impostazioni, manipolare il traffico, disabilitare le misure di protezione e utilizzare il dispositivo come un trampolino di lancio per attacchi ai sistemi nella rete locale.    <\/p>\n<p>Il problema \u00e8 causato dalla presenza in \/bin\/httpd di una funzionalit\u00e0 non documentata, integrata nella funzione login(). In caso di verifica fallita della password tramite hash basato su algoritmo MD5 per qualsiasi login, nel codice veniva chiamata la funzione GetValue(\u00absys.rzadmin.password\u00bb), che controllava la corrispondenza della password con il valore predeterminato nel firmware in chiaro. In caso di corrispondenza, indipendentemente dal login specificato, veniva creato un sessione con diritti di amministratore.    <\/p>\n<p>Per sfruttare la backdoor \u00e8 sufficiente avere accesso per inviare richieste al dispositivo tramite HTTP o HTTPS. Come misura cautelativa di protezione, si raccomanda di bloccare le richieste al server HTTP integrato nel firmware da reti esterne.     <\/p>\n<p>La presenza del problema \u00e8 stata confermata nei firmware:  <\/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>Fonte: <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 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u0440\u043e\u0448\u0438\u0432\u043a\u0430\u0445, 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