{"id":40873,"date":"2025-05-20T05:43:13","date_gmt":"2025-05-20T05:43:13","guid":{"rendered":""},"modified":"2025-06-10T11:19:10","modified_gmt":"2025-06-10T17:19:10","slug":"cve-2025-32756-critical-buffer-overflow-vulnerability-in-multiple-fortinet-products","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-32756-critical-buffer-overflow-vulnerability-in-multiple-fortinet-products\/","title":{"rendered":"<strong>CVE-2025-32756: Critical Buffer Overflow Vulnerability in Multiple Fortinet Products<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is constantly changing with the emergence of new vulnerabilities and exploits, one of which is the CVE-2025-32756. Affecting multiple products under the Fortinet portfolio, this exploit poses a considerable threat due to its high severity score and the potential for system compromise and data leakage.<br \/>\nThis vulnerability matters because it affects a wide range of widely-used <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-51745-stack-overflow-vulnerability-in-various-versions-of-teamcenter-visualization-and-jt2go\/\"  data-wpil-monitor-id=\"47351\">Fortinet<\/a> products and versions, potentially leaving countless systems exposed. It allows a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47732-a-critical-remote-code-execution-vulnerability-in-microsoft-dataverse\/\"  data-wpil-monitor-id=\"46295\">remote unauthenticated attacker to execute arbitrary code<\/a> or commands, thereby posing a significant risk to the confidentiality, integrity, and availability of the targeted systems.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-32756<br \/>\nSeverity: Critical (CVSS Score 9.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31263-critical-memory-handling-vulnerability-could-lead-to-system-compromise-or-data-leakage-in-macos-sequoia-15-4\/\"  data-wpil-monitor-id=\"57031\">System Compromise<\/a>, Data Leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-170901408\" 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>FortiVoice | 7.2.0, 7.0.0-7.0.6, 6.4.0-6.4.10<br \/>\nFortiRecorder | 7.2.0-7.2.3, 7.0.0-7.0.5, 6.4.0-6.4.5<br \/>\nFortiMail | 7.6.0-7.6.2, 7.4.0-7.4.4, 7.2.0-7.2.7, 7.0.0-7.0.8<br \/>\nFortiNDR | 7.6.0, 7.4.0-7.4.7, 7.2.0-7.2.4, 7.0.0-7.0.6<br \/>\nFortiCamera | 2.1.0-2.1.3, 2.0 (all versions), 1.1 (all versions)<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4354-critical-stack-based-buffer-overflow-vulnerability-in-tenda-dap-1520\/\"  data-wpil-monitor-id=\"45701\">vulnerability is a stack-based buffer overflow<\/a> exploit. It <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32363-critical-vulnerability-in-medidok-allowing-remote-code-execution\/\"  data-wpil-monitor-id=\"49822\">allows a remote<\/a> attacker to send HTTP requests with a specially crafted hash cookie to affected Fortinet products. This causes the system to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4344-critical-buffer-overflow-vulnerability-in-d-link-dir-600l\/\"  data-wpil-monitor-id=\"45882\">overflow its buffer<\/a>, which in turn could enable the execution of arbitrary code or commands, leading to potential system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4196849249\" 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 is a hypothetical HTTP <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47708-cross-site-request-forgery-vulnerability-in-drupal-enterprise-mfa-tfa\/\"  data-wpil-monitor-id=\"49801\">request that could be sent to a vulnerable<\/a> endpoint:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nCookie: sessionid={specially_crafted_hash_cookie}\nContent-Type: application\/json\n{ &quot;malicious_payload&quot;: &quot;...&quot; }<\/code><\/pre>\n<p>In this example, the &#8220;specially_crafted_hash_cookie&#8221; and &#8220;malicious_payload&#8221; represent the attacker&#8217;s exploit code, which could lead to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4345-critical-buffer-overflow-vulnerability-in-d-link-dir-600l\/\"  data-wpil-monitor-id=\"45888\">buffer overflow<\/a> and subsequent arbitrary code execution. It is important to note that this is a conceptual example only and not actual exploit code.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is constantly changing with the emergence of new vulnerabilities and exploits, one of which is the CVE-2025-32756. Affecting multiple products under the Fortinet portfolio, this exploit poses a considerable threat due to its high severity score and the potential for system compromise and data leakage. This vulnerability matters because it affects [&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":[105],"product":[],"attack_vector":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-40873","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-fortinet","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/40873","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=40873"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/40873\/revisions"}],"predecessor-version":[{"id":50911,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/40873\/revisions\/50911"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=40873"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=40873"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=40873"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=40873"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=40873"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=40873"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=40873"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=40873"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=40873"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}