{"id":13356,"date":"2026-09-04T19:00:03","date_gmt":"2026-09-04T11:00:03","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-51603"},"modified":"2026-09-04T19:00:03","modified_gmt":"2026-09-04T11:00:03","slug":"cve-2026-51603","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-51603","title":{"rendered":"CVE-2026-51603 [HIGH] &#8211; A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 (firmwar"},"content":{"rendered":"<p>A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 (firmware V31.1.9.91) allows an unauthenticated remote attacker to cause a denial of service via a crafted second SETUP request. After completing the OPTIONS, DESCRIBE, and a legitimate first SETUP request to obtain a valid session ID, the RTSP service&#8217;s second-stage URL routing parser fails to validate the length of the URL field in the subsequent SETUP request. By supplying a URL consisting of exactly four consecutive repetitions of a valid RTSP URL, an attacker can bypass first-stage format validation and trigger a stack buffer overflow, causing an immediate crash of the RTSP service process and rendering the device inaccessible to all clients on the local network.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A stack-based buffer overflow vulnerability in the RTSP service of Tenda CP3 V3.0 (firmware V31.1.9.91) allows an unauthenticated remote attacker to cause a denial of service via a crafted second SETU<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-13356","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/13356","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13356"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13356"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13356"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}