{"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\/de\/blog\/news\/mikrotik-routeros-vulnerabilities-allow-unauthenticated-remote-ssh-access","title":{"rendered":"Schwachstellen in MikroTik RouterOS erm\u00f6glichen den Fernzugriff \u00fcber SSH ohne Authentifizierung","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Im Betriebssystem RouterOS, das in MikroTik-Routern verwendet wird, wurden 6 Sicherheitsanf\u00e4lligkeiten festgestellt. Eine Kombination von zwei dieser Schwachstellen erm\u00f6glicht es, bei entsprechender Erreichbarkeit \u00fcber SSH, die volle Kontrolle \u00fcber das Ger\u00e4t mit Administratorrechten zu erlangen. Es wurden F\u00e4lle festgestellt, in denen diese Schwachstellen ausgenutzt wurden. Patches von Mikrotik sind seit dem 3. September verf\u00fcgbar (RouterOS 7.25 beta 3, 7.24.2, 7.23.4, 6.49.21) und Angreifer konnten wahrscheinlich die Natur der Schwachstellen anhand dieser Patches identifizieren.       <\/p>\n<p>Den Schwachstellen CVE-2026-67276 und CVE-2026-86060 wurde ein kritisches Gef\u00e4hrdungsniveau (9.2 von 10) zugewiesen. Das erste Problem entsteht durch eine fehlerhafte \u00dcberpr\u00fcfung der RSA-\u00d6ffentlichen Schl\u00fcssel, die bei der Authentifizierung \u00fcber SSH verwendet werden. Wenn ein Angreifer den Benutzernamen und die Parameter des \u00f6ffentlichen Schl\u00fcssels kennt, konnte er einen gef\u00e4lschten Schl\u00fcssel erstellen und sich ohne Zugriff auf den privaten Schl\u00fcssel \u00fcber SSH verbinden. Das zweite Problem steht im Zusammenhang mit dem Fehlen einer Filterung ung\u00fcltiger Zeichen am Anfang des Benutzernamens bei der Verarbeitung des Logins \u00fcber SSH.    <\/p>\n<p>Erfolgreiche Ausnutzung der Schwachstellen kann in den RouterOS-Protokollen nachverfolgt werden: login failure for user -2 from  via ssh user  added by ssh:-2@<br \/>\n<br \/>Quelle: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66224\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 [&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-183289","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 - 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