{"id":13085,"date":"2025-08-14T22:37:58","date_gmt":"2025-08-14T22:37:58","guid":{"rendered":"http:\/\/localhost\/?p=13085"},"modified":"2025-08-14T22:37:58","modified_gmt":"2025-08-14T22:37:58","slug":"cisco-adaptive-security-appliance-software-and-firepower-threat-defense-software-web-services-buffer","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=13085","title":{"rendered":"Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Buffer Overflow Denial of Service Vulnerability_CVE-2025-20263"},"content":{"rendered":"

{“lastseen”:””,”description”:”A vulnerability in the web services interface of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a buffer overflow on an affected system.\\u0026nbsp;\\r\\n\\r\\nThis vulnerability is due to insufficient boundary checks for specific data that is provided to the web services interface of an affected system. An attacker could exploit this vulnerability by sending a crafted HTTP request to the affected system. A successful exploit could allow the attacker to cause a buffer overflow condition on the affected system, which could cause the system to reload, resulting in a denial of service (DoS) condition.”,”published”:”2025-08-14T16:29:53.787Z”,”modified”:”2025-08-14T19:19:14.999Z”,”type”:”cve”,”title”:”Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Buffer Overflow Denial of Service Vulnerability”,”source”:”cisco”,”references”:”https:\/\/sec.cloudapps.cisco.com\/security\/center\/content\/CiscoSecurityAdvisory\/cisco-sa-asa-buffer-overflow-PyRUhWBC”,”id”:”CVE-2025-20263″,”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 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{“lastseen”:””,”description”:”A vulnerability in the web services interface of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could…<\/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-13085","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 Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Buffer Overflow Denial of Service Vulnerability_CVE-2025-20263 - 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=13085\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Web Services Buffer Overflow Denial of Service Vulnerability_CVE-2025-20263 - 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