{"id":247333,"date":"2026-05-15T12:17:00","date_gmt":"2026-05-15T16:17:00","guid":{"rendered":"https:\/\/news-you-need.com\/index.php\/2026\/05\/15\/attackers-exploit-critical-flaw-in-cisco-catalyst-sd-wan-controller\/"},"modified":"2026-05-17T08:30:31","modified_gmt":"2026-05-17T12:30:31","slug":"attackers-exploit-critical-flaw-in-cisco-catalyst-sd-wan-controller","status":"publish","type":"post","link":"https:\/\/news-you-need.com\/index.php\/2026\/05\/15\/attackers-exploit-critical-flaw-in-cisco-catalyst-sd-wan-controller\/","title":{"rendered":"Attackers exploit critical flaw in Cisco Catalyst SD-WAN Controller"},"content":{"rendered":"<p><a href=\"https:\/\/www.cybersecuritydive.com\/news\/attackers-exploit-critical-flaw-in-cisco-catalyst-sd-wan-controller\/820368\/\">Attackers exploit critical flaw in Cisco Catalyst SD-WAN Controller<\/a><\/p>\n<p><a href=\"https:\/\/www.cybersecuritydive.com\/news\/attackers-exploit-critical-flaw-in-cisco-catalyst-sd-wan-controller\/820368\/\">https:\/\/www.cybersecuritydive.com\/news\/attackers-exploit-critical-flaw-in-cisco-catalyst-sd-wan-controller\/820368\/<\/a><\/p>\n<p>Publish Date: <a href=\"publish_date]\">2026-05-15 12:17:00<\/a><\/p>\n<p>Source Domain: <a href=\"www.cybersecuritydive.com\">www.cybersecuritydive.com<\/a><\/p>\n<p><span><span><span><span><span><span>A critical vulnerability in Cisco Catalyst SD-WAN Controller is facing active exploitation almost immediately after security researchers publicly disclosed the flaw.\u00a0<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><span><span><span><span><span><span>The vulnerability, tracked as <\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span><span><span>CVE-2026-20182<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span>, is an authentication bypass vulnerability, which has a severity score of 10, which is considered the highest potential rating. The flaw could allow an attacker to circumvent authentication procedures and gain administrative privileges on an affected server.\u00a0<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><span><span><span><span><span><span>Cisco on Thursday <\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span><span><span>released an advisory<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span> for the newly discovered vulnerability and issued security updates to address the flaw, and the Cybersecurity and Infrastructure Security Agency <\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span><span><span>added the CVE<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span> to its Known Exploited Vulnerabilities catalog.\u00a0<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><span><span><span><span><span><span>Cisco Talos, the threat intelligence arm of Cisco,\u00a0said the <\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span><span><span>current exploitation activity<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span> thus far has been limited and they are clustering the activity to an actor tracked as UAT-8616. They warned the attacker had been involved in exploitation of another recently disclosed vulnerability, which is designated as CVE-2026-20127.<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><span><span><span><span><span><span>Researchers at Rapid7 <\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span><span><span>discovered the latest vulnerability in Cisco Catalyst SD-WAN Controller<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><span><span><span><span><span><span> while investigating CVE-2026-20127, which was being exploited by the same hackers. This latest vulnerability affects the \u201cvdaemon\u201d service over DTLS, which Rapid7 said is the same service that contained the earlier flaw.\u00a0<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><span><span><span><span><span><span>Rapid7 cautioned, however, that the newly discovered vulnerability is not a patch bypass of CVE-2026-20127, but a different issue that is located in the same part of the daemon networking stack. <\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p>\u00a0<\/p>\n<p><a href=\"https:\/\/www.cybersecuritydive.com\/news\/attackers-exploit-critical-flaw-in-cisco-catalyst-sd-wan-controller\/820368\/\">Source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Attackers exploit critical flaw in Cisco Catalyst SD-WAN Controller https:\/\/www.cybersecuritydive.com\/news\/attackers-exploit-critical-flaw-in-cisco-catalyst-sd-wan-controller\/820368\/ Publish Date: 2026-05-15 12:17:00 Source&#8230;<\/p>\n","protected":false},"author":1,"featured_media":247334,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/imgproxy.divecdn.com\/K3oCq_THHUlhJAga2oSvijfgM5TEoFyzAJSVsPZ6LA4\/g:ce\/rs:fit:770:435\/Z3M6Ly9kaXZlc2l0ZS1zdG9yYWdlL2RpdmVpbWFnZS9HZXR0eUltYWdlcy0yMjQ1MDY3MTE3LmpwZw==.webp","fifu_image_alt":"","footnotes":""},"categories":[15],"tags":[90,89,57,27],"class_list":["post-247333","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurity","tag-cve","tag-flaw","tag-security","tag-vulnerability"],"_links":{"self":[{"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/posts\/247333"}],"collection":[{"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/comments?post=247333"}],"version-history":[{"count":1,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/posts\/247333\/revisions"}],"predecessor-version":[{"id":247335,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/posts\/247333\/revisions\/247335"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/media\/247334"}],"wp:attachment":[{"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/media?parent=247333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/categories?post=247333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news-you-need.com\/index.php\/wp-json\/wp\/v2\/tags?post=247333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}