{"id":39032,"date":"2025-05-17T21:22:16","date_gmt":"2025-05-17T21:22:16","guid":{"rendered":""},"modified":"2025-11-01T05:38:06","modified_gmt":"2025-11-01T11:38:06","slug":"cve-2025-20182-critical-vulnerability-in-cisco-device-software-allows-dos-attacks","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-20182-critical-vulnerability-in-cisco-device-software-allows-dos-attacks\/","title":{"rendered":"<strong>CVE-2025-20182: Critical Vulnerability in Cisco Device Software Allows DoS Attacks<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the continuous battle for ensuring digital security, a recent vulnerability, dubbed as CVE-2025-20182, has been discovered in the Internet Key Exchange version 2 (IKEv2) protocol processing of various Cisco software including Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and Cisco IOS XE Software. This vulnerability could potentially allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.<br \/>\nThis vulnerability is particularly concerning because of the vast number of organizations that rely on <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0984-critical-file-upload-and-xss-vulnerability-in-netoloji-software-e-flow\/\"  data-wpil-monitor-id=\"43958\">Cisco&#8217;s<\/a> suite of software to secure their network infrastructures. A successful exploit could disrupt critical services, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-29972-server-side-request-forgery-vulnerability-in-azure-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"44758\">potentially leading<\/a> to significant business and financial impacts.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-20182<br \/>\nSeverity: Critical (8.6 CVSS score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4372-webaudio-heap-corruption-in-google-chrome-a-potential-gateway-to-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"43797\">Potential system compromise and data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-988070910\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20188-cisco-ios-xe-software-for-wireless-lan-controllers-security-vulnerability\/\"  data-wpil-monitor-id=\"44060\">Cisco Adaptive Security<\/a> Appliance (ASA) Software | All versions prior to vendor patch<br \/>\nCisco Firepower Threat Defense (FTD) Software | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47269-session-token-exposure-in-code-server-prior-to-version-4-99-4\/\"  data-wpil-monitor-id=\"46759\">versions prior<\/a> to vendor patch<br \/>\nCisco IOS Software | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48481-critical-vulnerability-in-freescout-prior-to-version-1-8-180\/\"  data-wpil-monitor-id=\"57198\">versions prior<\/a> to vendor patch<br \/>\nCisco IOS XE Software | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48477-critical-vulnerability-in-freescout-prior-to-version-1-8-180\/\"  data-wpil-monitor-id=\"57822\">versions prior<\/a> to vendor patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-49846-critical-memory-corruption-vulnerability-in-ota-message-decoding\/\"  data-wpil-monitor-id=\"44892\">vulnerability arises from insufficient input validation when processing IKEv2 messages<\/a>. An attacker can exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20164-privilege-elevation-vulnerability-in-cisco-industrial-ethernet-switch-device-manager\/\"  data-wpil-monitor-id=\"46308\">vulnerability by sending crafted IKEv2 traffic to an affected device<\/a>. A successful exploit could cause the device to reload, resulting in a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6297-exploitation-of-dpkg-deb-extraction-vulnerability\/\"  data-wpil-monitor-id=\"92001\">DoS<\/a> condition on the targeted device.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3623017129\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Here is a conceptual example of how the vulnerability might be exploited using pseudocode:<\/p>\n<pre><code class=\"\" data-line=\"\">def exploit(target_ip):\nmalicious_ikev2_packet = create_malicious_ikev2_packet()\nsend_packet(target_ip, malicious_ikev2_packet)\ndef create_malicious_ikev2_packet():\n# Craft a malformed IKEv2 message here\nreturn malicious_ikev2_packet<\/code><\/pre>\n<p>This pseudocode demonstrates the basic principle of how an attacker might <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24189-memory-corruption-vulnerability-due-to-maliciously-crafted-web-content-in-various-operating-systems\/\"  data-wpil-monitor-id=\"51770\">craft a malicious<\/a> IKEv2 packet and send it to the targeted device, causing it to reload and subsequently leading to a DoS condition.<br \/>\nPlease note that this is a conceptual example and is not intended to be used for malicious purposes. Always follow ethical <a href=\"https:\/\/www.ameeba.com\/blog\/nist-updates-privacy-framework-new-cybersecurity-guidelines-and-their-implications\/\"  data-wpil-monitor-id=\"47428\">guidelines when dealing with cybersecurity<\/a> matters.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the continuous battle for ensuring digital security, a recent vulnerability, dubbed as CVE-2025-20182, has been discovered in the Internet Key Exchange version 2 (IKEv2) protocol processing of various Cisco software including Cisco Adaptive Security Appliance (ASA) Software, Cisco Firepower Threat Defense (FTD) Software, Cisco IOS Software, and Cisco IOS XE Software. This vulnerability [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[77,96],"product":[97],"attack_vector":[87],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-39032","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apple","vendor-cisco","product-cisco-ios-xe","attack_vector-dos"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/39032","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=39032"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/39032\/revisions"}],"predecessor-version":[{"id":85206,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/39032\/revisions\/85206"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=39032"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=39032"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=39032"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=39032"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=39032"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=39032"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=39032"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=39032"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=39032"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}