{"id":13083,"date":"2025-08-14T22:37:47","date_gmt":"2025-08-14T22:37:47","guid":{"rendered":"http:\/\/localhost\/?p=13083"},"modified":"2025-08-14T22:37:47","modified_gmt":"2025-08-14T22:37:47","slug":"cisco-ios-ios-xe-secure-firewall-adaptive-security-appliance-and-secure-firewall-threat-defense-soft","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=13083","title":{"rendered":"Cisco IOS, IOS XE, Secure Firewall Adaptive Security Appliance, and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerability_CVE-2025-20253"},"content":{"rendered":"

{“lastseen”:””,”description”:”A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload, resulting in a DoS condition.\\r\\n\\r\\nThis vulnerability is due to the improper processing of IKEv2 packets. An attacker could exploit this vulnerability by sending crafted IKEv2 packets to an affected device. A successful exploit could allow the attacker to cause an infinite loop that exhausts resources and could cause the device to reload.”,”published”:”2025-08-14T16:29:43.673Z”,”modified”:”2025-08-14T19:19:22.460Z”,”type”:”cve”,”title”:”Cisco IOS, IOS XE, Secure Firewall Adaptive Security Appliance, and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerability”,”source”:”cisco”,”references”:”https:\/\/sec.cloudapps.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-asa-ftd-ios-dos-DOESHWHy”,”id”:”CVE-2025-20253″,”bulletinFamily”:””,”cwe”:null,”cvelist”:null,”sourceData”:”Cisco Cisco Adaptive Security Appliance (ASA) Software 9.12.3\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.3\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.12.1\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.1\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.12.2\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.45\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.4\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.14.1\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.12.4\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.26\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.24\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.15\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.14\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.35\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.20\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.8\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.17\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.28\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.33\\nCisco Cisco Adaptive Security Appliance (ASA) Software 9.8.2.38\\nCisco 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{“lastseen”:””,”description”:”A vulnerability in the IKEv2 feature of Cisco IOS Software, IOS XE Software, Secure Firewall ASA Software, and Secure FTD Software could allow an unauthenticated,…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,81,12,15,13,7,11,5],"class_list":["post-13083","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-86","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\nCisco IOS, IOS XE, Secure Firewall Adaptive Security Appliance, and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerability_CVE-2025-20253 - zero redgem<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/zero.redgem.net\/?p=13083\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cisco IOS, IOS XE, Secure Firewall Adaptive Security Appliance, and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerability_CVE-2025-20253 - 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