{"id":183289,"date":"2026-09-07T22:54:33","date_gmt":"2026-09-07T20:54:33","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/uyazvimosti-v-mikrotik-routeros-dopuskayushhie-udalyonnyj-dostup-po-ssh-bez-autentifikaczii"},"modified":"2026-09-07T22:54:37","modified_gmt":"2026-09-07T20:54:37","slug":"mikrotik-routeros-vulnerabilities-allow-unauthenticated-remote-ssh-access","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/mikrotik-routeros-vulnerabilities-allow-unauthenticated-remote-ssh-access","title":{"rendered":"Sebezhet\u0151s\u00e9gek a MikroTik RouterOS-ban, amelyek t\u00e1voli SSH-hozz\u00e1f\u00e9r\u00e9st tesznek lehet\u0151v\u00e9 hiteles\u00edt\u00e9s n\u00e9lk\u00fcl","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A MikroTik routerekben haszn\u00e1lt RouterOS oper\u00e1ci\u00f3s rendszerben 6 sebezhet\u0151s\u00e9get \u00e9szleltek. K\u00e9t k\u00f6z\u00fcl\u00fck kombin\u00e1ci\u00f3ja lehet\u0151v\u00e9 teszi a teljes adminisztr\u00e1tori hozz\u00e1f\u00e9r\u00e9st a k\u00e9sz\u00fcl\u00e9khez t\u00e1voli SSH el\u00e9r\u00e9s eset\u00e9n. A sebezhet\u0151s\u00e9gek kihaszn\u00e1l\u00e1s\u00e1ra vonatkoz\u00f3 esetek ker\u00fcltek r\u00f6gz\u00edt\u00e9sre. A Mikrotick jav\u00edt\u00e1sai 2023. szeptember 3-t\u00f3l \u00e9rhet\u0151k el (RouterOS 7.25 beta 3, 7.24.2, 7.23.4, 6.49.21), \u00e9s val\u00f3sz\u00edn\u0171, hogy a t\u00e1mad\u00f3k azonos\u00edtani tudt\u00e1k a sebezhet\u0151s\u00e9gek l\u00e9nyeg\u00e9t ezek alapj\u00e1n. <\/p>\n

A CVE-2026-67276 \u00e9s CVE-2026-86060 sebezhet\u0151s\u00e9gek kritikus vesz\u00e9lyess\u00e9gi szintet kaptak (9.2 a 10-b\u0151l). Az els\u0151 probl\u00e9ma az RSA nyilv\u00e1nos kulcsok helytelen ellen\u0151rz\u00e9s\u00e9b\u0151l ad\u00f3dik, amelyeket az SSH-n val\u00f3 azonos\u00edt\u00e1s sor\u00e1n haszn\u00e1lnak. Ha a t\u00e1mad\u00f3 ismeri a felhaszn\u00e1l\u00f3 nev\u00e9t \u00e9s a nyilv\u00e1nos kulcs param\u00e9tereit, hamis kulcsot hozhat l\u00e9tre, \u00e9s SSH-n kereszt\u00fcl, a z\u00e1rt kulcs ismerete n\u00e9lk\u00fcl csatlakozhat. A m\u00e1sodik probl\u00e9ma az SSH bejelentkez\u00e9si folyamat sor\u00e1n a felhaszn\u00e1l\u00f3n\u00e9v elej\u00e9n l\u00e9v\u0151 \u00e9rv\u00e9nytelen karakterek kisz\u0171r\u00e9s\u00e9nek hi\u00e1nya. <\/p>\n

A sebezhet\u0151s\u00e9gek sikeres kihaszn\u00e1l\u00e1s\u00e1t a RouterOS napl\u00f3j\u00e1ban tal\u00e1lhat\u00f3 bejegyz\u00e9sekb\u0151l lehet nyomon k\u00f6vetni: login failure for user -2 from via ssh user added by ssh:-2@
\n
Forr\u00e1s: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 RouterOS, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0439 \u0432 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u0430\u0445 MikroTik, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e 6 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u041a\u043e\u043c\u0431\u0438\u043d\u0430\u0446\u0438\u044f \u0434\u0432\u0443\u0445 \u0438\u0437 \u043d\u0438\u0445 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e \u043f\u043e\u043b\u0443\u0447\u0438\u0442\u044c \u043f\u043e\u043b\u043d\u044b\u0439 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u044c \u043d\u0430\u0434 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e\u043c \u0441 \u043f\u0440\u0430\u0432\u0430\u043c\u0438 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u0430 \u043f\u0440\u0438 \u0443\u0441\u043b\u043e\u0432\u0438\u0438 \u0435\u0433\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u0438 \u043f\u043e SSH. \u0417\u0430\u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u0444\u0430\u043a\u0442\u044b \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u043e\u0442\u043c\u0435\u0447\u0435\u043d\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439. \u041f\u0430\u0442\u0447\u0438 \u043e\u0442 Mikrotick \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u0441 3 \u0441\u0435\u043d\u0442\u044f\u0431\u0440\u044f (RouterOS 7.25 beta 3, 7.24.2, 7.23.4, 6.49.21) \u0438 \u0432\u0435\u0440\u043e\u044f\u0442\u043d\u043e \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u0435 \u0441\u043c\u043e\u0433\u043b\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c […]<\/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-183289","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Sebezhet\u0151s\u00e9gek a MikroTik RouterOS-ben, amelyek t\u00e1voli SSH hozz\u00e1f\u00e9r\u00e9st tesznek lehet\u0151v\u00e9 az azonos\u00edt\u00e1s n\u00e9lk\u00fcl | ProHoster","description":"A MikroTik routerekben haszn\u00e1lt RouterOS oper\u00e1ci\u00f3s rendszerben 6 sebezhet\u0151s\u00e9get 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