{"id":4771,"date":"2026-09-04T18:46:45","date_gmt":"2026-09-04T10:46:45","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-20124"},"modified":"2026-09-04T18:46:45","modified_gmt":"2026-09-04T10:46:45","slug":"cve-2026-20124","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-20124","title":{"rendered":"CVE-2026-20124 [HIGH] &#8211; A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE"},"content":{"rendered":"<p>A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition.<\/p>\n<p>This vulnerability is due to improper error handling when parsing SNMP requests. This vulnerability affects all versions of SNMP &mdash; Versions 1, 2c, and 3. An attacker could exploit this vulnerability by sending a malformed SNMP request to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly. The attacker must have the SNMPv1 or v2c read-only or read-write community string or valid SNMPv3 user credentials on the affected device.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A vulnerability in the Simple Network Management Protocol (SNMP) subsystem of Cisco IOS XE Software could allow an authenticated, remote attacker to cause an affected device to reload, resulting in a <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-4771","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/4771","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=4771"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4771"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4771"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}