{"id":22715,"date":"2026-04-14T13:53:36","date_gmt":"2026-04-14T11:53:36","guid":{"rendered":"https:\/\/www.kabel1.cz\/www\/?p=22715"},"modified":"2026-04-14T15:41:56","modified_gmt":"2026-04-14T13:41:56","slug":"bezpecnostni-zranitelnost-starsich-routeru-tp-link-a-jak-se-branit","status":"publish","type":"post","link":"https:\/\/www.kabel1.cz\/www\/2026\/04\/14\/bezpecnostni-zranitelnost-starsich-routeru-tp-link-a-jak-se-branit\/","title":{"rendered":"Bezpe\u010dnostn\u00ed zranitelnost star\u0161\u00edch router\u016f TP-Link a jak se br\u00e1nit"},"content":{"rendered":"\n

V\u00e1\u017een\u00ed z\u00e1kazn\u00edci,
bezpe\u010dnost va\u0161eho p\u0159ipojen\u00ed je pro n\u00e1s prioritou. R\u00e1di bychom v\u00e1s informovali o aktu\u00e1ln\u00ed bezpe\u010dnostn\u00ed hrozb\u011b (ozna\u010den\u00e9 jako CVE-2023-50224<\/strong>), kter\u00e1 se t\u00fdk\u00e1 star\u0161\u00edch model\u016f router\u016f a p\u0159\u00edstupov\u00fdch bod\u016f zna\u010dky TP-Link. Tato zranitelnost umo\u017e\u0148uje \u00fato\u010dn\u00edk\u016fm z\u00edskat p\u0159\u00edstup k citliv\u00fdm \u00fadaj\u016fm a ovl\u00e1dnout s\u00ed\u0165ov\u00fd provoz (nap\u0159. manipulac\u00ed s DNS).<\/p>\n\n\n\n

T\u00fdk\u00e1 se to i v\u00e1s?<\/h5>\n\n\n\n

Probl\u00e9m se t\u00fdk\u00e1 p\u0159edev\u0161\u00edm za\u0159\u00edzen\u00ed, kter\u00e1 ji\u017e nejsou v\u00fdrobcem ofici\u00e1ln\u011b podporov\u00e1na (stav EOL \u2013 End of Life<\/strong>). N\u00ed\u017ee naleznete seznam nejroz\u0161\u00ed\u0159en\u011bj\u0161\u00edch model\u016f, u kter\u00fdch byla zranitelnost potvrzena a pro kter\u00e9 ve v\u011bt\u0161in\u011b p\u0159\u00edpad\u016f neexistuje oprava<\/strong>:<\/p>\n\n\n\n

Typ za\u0159\u00edzen\u00ed<\/strong><\/td>Model<\/strong><\/td><\/tr><\/thead>
Routery<\/strong><\/td>Archer C5 (v2), Archer C7 (v2\/v3)<\/td><\/tr>
<\/td>TL-MR6400 (v1\/v2)<\/td><\/tr>
<\/td>TL-WR841N \/ ND (v8 a\u017e v12)<\/td><\/tr>
<\/td>TL-WR1043ND (v2 a\u017e v4)<\/td><\/tr>
<\/td>TL-WDR3600, WDR4300, WDR3500<\/td><\/tr>
<\/td>TL-WR740N, WR741ND, WR840N (v2\/v3)<\/td><\/tr>
P\u0159\u00edstupov\u00e9 body<\/strong><\/td>TL-WA801ND, TL-WA901ND<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Pozn\u00e1mka<\/strong>: Pokud v\u00e1\u0161 model v seznamu nen\u00ed, ale je star\u0161\u00ed ne\u017e 5 let, doporu\u010dujeme p\u0159esto zkontrolovat dostupnost aktualizac\u00ed na str\u00e1nk\u00e1ch v\u00fdrobce.<\/em><\/p>\n\n\n\n

Jak\u00e1 jsou rizika?<\/h5>\n\n\n\n

Pokud pou\u017e\u00edv\u00e1te zastaral\u00e9 za\u0159\u00edzen\u00ed bez aktu\u00e1ln\u00edho firmwaru, vystavujete se riziku:<\/p>\n\n\n\n

    \n
  • \u00daniku p\u0159ihla\u0161ovac\u00edch \u00fadaj\u016f<\/strong> do bankovnictv\u00ed nebo e-mail\u016f.<\/li>\n\n\n\n
  • P\u0159esm\u011brov\u00e1n\u00ed na podvodn\u00e9 str\u00e1nky<\/strong> (\u00fato\u010dn\u00edk v\u00e1m podstr\u010d\u00ed fale\u0161n\u00fd web, kter\u00fd vypad\u00e1 jako prav\u00fd).<\/li>\n\n\n\n
  • Zneu\u017eit\u00ed va\u0161\u00ed s\u00edt\u011b<\/strong> k dal\u0161\u00edm kybernetick\u00fdm \u00fatok\u016fm.<\/li>\n<\/ul>\n\n\n\n
    \u0158e\u0161en\u00ed: P\u0159ipravujeme pro v\u00e1s bezstarostn\u00fd pron\u00e1jem router\u016f<\/h5>\n\n\n\n

    V\u00edme, \u017ee sledovat bezpe\u010dnostn\u00ed aktualizace a kupovat ka\u017ed\u00fdch p\u00e1r let nov\u00fd router m\u016f\u017ee b\u00fdt zat\u011b\u017euj\u00edc\u00ed. Proto pro v\u00e1s v r\u00e1mci na\u0161ich slu\u017eeb internetu a kabelov\u00e9 televize p\u0159ipravujeme novinku: Pron\u00e1jem router\u016f.<\/strong><\/p>\n\n\n\n

    Pro\u010d uva\u017eovat o p\u0159echodu na n\u00e1\u0161 pron\u00e1jem?<\/strong><\/p>\n\n\n\n

      \n
    1. V\u017edy v bezpe\u010d\u00ed:<\/strong> O bezpe\u010dnostn\u00ed aktualizace a spr\u00e1vn\u00fd firmware se postar\u00e1me my.<\/li>\n\n\n\n
    2. Modern\u00ed hardware:<\/strong> Z\u00edsk\u00e1te v\u00fdkonn\u00e9 za\u0159\u00edzen\u00ed s podporou aktu\u00e1ln\u00edch standard\u016f pro rychlou Wi-Fi po cel\u00e9m byt\u011b.<\/li>\n\n\n\n
    3. V\u00fdm\u011bna:<\/strong> Mo\u017en\u00e1 v\u00fdm\u011bna po t\u0159ech letech.<\/li>\n\n\n\n
    4. Bez investic:<\/strong> Nemus\u00edte vyd\u00e1vat jednor\u00e1zov\u011b tis\u00edce korun za n\u00e1kup vlastn\u00edho routeru.<\/li>\n<\/ol>\n\n\n\n
      Co d\u011blat pr\u00e1v\u011b te\u010f?<\/h5>\n\n\n\n

      Pokud vlastn\u00edte n\u011bkter\u00e9 ze zraniteln\u00fdch za\u0159\u00edzen\u00ed, doporu\u010dujeme v r\u00e1mci prevence:<\/p>\n\n\n\n

        \n
      1. Zm\u011bnit heslo<\/strong> pro spr\u00e1vu routeru (nesm\u00ed z\u016fstat „admin“ nebo jin\u00e9 v\u00fdchoz\u00ed).<\/li>\n\n\n\n
      2. Zak\u00e1zat vzd\u00e1lenou spr\u00e1vu<\/strong> (Remote Management) v nastaven\u00ed routeru.<\/li>\n\n\n\n
      3. Vym\u011bnit <\/strong>router za modern\u011bj\u0161\u00ed kus.<\/li>\n<\/ol>\n\n\n\n

        V\u00e1\u0161 t\u00fdm Kabel1<\/p>\n","protected":false},"excerpt":{"rendered":"

        V\u00e1\u017een\u00ed z\u00e1kazn\u00edci,bezpe\u010dnost va\u0161eho p\u0159ipojen\u00ed je pro n\u00e1s prioritou. R\u00e1di bychom v\u00e1s informovali o aktu\u00e1ln\u00ed bezpe\u010dnostn\u00ed hrozb\u011b (ozna\u010den\u00e9 jako CVE-2023-50224), kter\u00e1 se t\u00fdk\u00e1 star\u0161\u00edch model\u016f router\u016f a p\u0159\u00edstupov\u00fdch bod\u016f zna\u010dky TP-Link. Tato zranitelnost umo\u017e\u0148uje \u00fato\u010dn\u00edk\u016fm z\u00edskat p\u0159\u00edstup k citliv\u00fdm \u00fadaj\u016fm a ovl\u00e1dnout s\u00ed\u0165ov\u00fd provoz (nap\u0159. manipulac\u00ed s DNS). T\u00fdk\u00e1 se to i v\u00e1s? Probl\u00e9m se t\u00fdk\u00e1…<\/p>\n","protected":false},"author":5,"featured_media":21973,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[66],"tags":[],"class_list":["post-22715","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-vypadky"],"_links":{"self":[{"href":"https:\/\/www.kabel1.cz\/www\/wp-json\/wp\/v2\/posts\/22715","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kabel1.cz\/www\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kabel1.cz\/www\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kabel1.cz\/www\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kabel1.cz\/www\/wp-json\/wp\/v2\/comments?post=22715"}],"version-history":[{"count":10,"href":"https:\/\/www.kabel1.cz\/www\/wp-json\/wp\/v2\/posts\/22715\/revisions"}],"predecessor-version":[{"id":22726,"href":"https:\/\/www.kabel1.cz\/www\/wp-json\/wp\/v2\/posts\/22715\/revisions\/22726"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kabel1.cz\/www\/wp-json\/wp\/v2\/media\/21973"}],"wp:attachment":[{"href":"https:\/\/www.kabel1.cz\/www\/wp-json\/wp\/v2\/media?parent=22715"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kabel1.cz\/www\/wp-json\/wp\/v2\/categories?post=22715"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kabel1.cz\/www\/wp-json\/wp\/v2\/tags?post=22715"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}