{"id":51071,"date":"2025-06-11T00:20:59","date_gmt":"2025-06-11T00:20:59","guid":{"rendered":""},"modified":"2025-09-03T04:05:55","modified_gmt":"2025-09-03T10:05:55","slug":"cve-2025-21467-system-compromise-via-memory-corruption-in-fw-response","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-21467-system-compromise-via-memory-corruption-in-fw-response\/","title":{"rendered":"<strong>CVE-2025-21467: System Compromise via Memory Corruption in FW Response<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-21467 is a crucial security vulnerability that could potentially lead to a system compromise or data leakage. This weakness exploits the memory corruption occurring when reading the firmware (FW) response from the shared queue. As a result, attackers could manipulate the memory space of a system, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4433-improper-access-control-leads-to-privilege-escalation-in-devolutions-server\/\"  data-wpil-monitor-id=\"57341\">leading to unauthorized access<\/a> and potential data breaches. This vulnerability has a significant impact on all organizations using affected systems, as it can result in severe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-45565-memory-corruption-vulnerability-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"58029\">data loss and compromise the integrity of their systems<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-21467<br \/>\nSeverity: High (CVSS Score 7.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-47668-linux-kernel-vulnerability-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"57519\">System compromise and potential data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4155893780\" 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: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\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: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\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: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>Product A | Versions 1.0 &#8211; 3.2<br \/>\nProduct B | Versions 2.1 &#8211; 4.5<br \/>\n(Note: The above product names and versions are placeholders as the actual information is not provided)<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit works by sending a specially crafted request to the targeted system. This request <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8040-memory-safety-bugs-causing-potential-system-compromise-in-firefox-and-thunderbird\/\"  data-wpil-monitor-id=\"71211\">causes the system<\/a> to generate a FW response that is read from the shared queue. Due to a flaw in the system&#8217;s memory management, reading this FW response triggers <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-45564-critical-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"58127\">memory corruption<\/a>. This corruption can be leveraged by the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48492-remote-code-execution-vulnerability-in-getsimple-cms\/\"  data-wpil-monitor-id=\"57257\">execute arbitrary code<\/a> or access sensitive data, leading to potential system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-26418094\" 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>Below is a conceptual example of how the vulnerability might be exploited. This represents a malicious network request that could trigger the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-45554-high-severity-memory-corruption-due-to-race-condition\/\"  data-wpil-monitor-id=\"58162\">memory corruption<\/a>.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;exploit_trigger&quot;: &quot;specially_crafted_request&quot; }<\/code><\/pre>\n<p><strong>Mitigation<\/strong><\/p>\n<p>To mitigate this vulnerability, it is highly recommended to apply the vendor-supplied patch. If the patch is not available or cannot be implemented immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. These systems can monitor and block suspicious network activity, providing an additional layer of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1411-exploitation-of-unnecessary-privileges-in-ibm-security-verify-directory-container\/\"  data-wpil-monitor-id=\"78134\">security to prevent exploitation<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-21467 is a crucial security vulnerability that could potentially lead to a system compromise or data leakage. This weakness exploits the memory corruption occurring when reading the firmware (FW) response from the shared queue. As a result, attackers could manipulate the memory space of a system, leading to unauthorized access and potential data breaches. [&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":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-51071","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51071","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=51071"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51071\/revisions"}],"predecessor-version":[{"id":70506,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51071\/revisions\/70506"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=51071"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=51071"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=51071"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=51071"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=51071"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=51071"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=51071"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=51071"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=51071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}