{"id":10960,"date":"2026-02-26T10:04:01","date_gmt":"2026-02-26T10:04:01","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2026\/02\/26\/critical-cisco-sd-wan-bug-exploited-in-zero-day-attacks-since-2023\/"},"modified":"2026-02-26T10:04:01","modified_gmt":"2026-02-26T10:04:01","slug":"critical-cisco-sd-wan-bug-exploited-in-zero-day-attacks-since-2023","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2026\/02\/26\/critical-cisco-sd-wan-bug-exploited-in-zero-day-attacks-since-2023\/","title":{"rendered":"Critical Cisco SD-WAN bug exploited in zero-day attacks since 2023"},"content":{"rendered":"<p>    Critical Cisco SD-WAN bug exploited in zero-day attacks since 2023<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>Cisco is warning that a critical authentication bypass vulnerability in Cisco Catalyst SD-WAN, tracked as CVE-2026-20127, was actively exploited in zero-day attacks that allowed remote attackers to compromise controllers and add malicious rogue peers to targeted networks. [&#8230;]<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><br \/>\n    Lawrence Abrams<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/www.bleepingcomputer.com\/news\/security\/critical-cisco-sd-wan-bug-exploited-in-zero-day-attacks-since-2023\/\">Go to bleepingcomputer<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Critical Cisco SD-WAN bug exploited in zero-day attacks since 2023 Cisco is warning that a critical authentication bypass vulnerability in Cisco Catalyst SD-WAN, tracked as CVE-2026-20127, was actively exploited in zero-day attacks that allowed remote attackers to compromise controllers and add malicious rogue peers to targeted networks. [&#8230;] Lawrence Abrams Go to bleepingcomputer<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[64,133],"tags":[80],"class_list":["post-10960","post","type-post","status-publish","format-standard","hentry","category-bleepingcomputer","category-security","tag-bleepingcomputer"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/10960"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=10960"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/10960\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=10960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=10960"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=10960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}