{"id":70221,"date":"2025-09-03T03:33:27","date_gmt":"2025-09-03T03:33:27","guid":{"rendered":""},"modified":"2025-10-22T19:05:03","modified_gmt":"2025-10-23T01:05:03","slug":"cve-2025-9482-critical-buffer-overflow-vulnerability-in-linksys-routers","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-9482-critical-buffer-overflow-vulnerability-in-linksys-routers\/","title":{"rendered":"<strong>CVE-2025-9482: Critical Buffer Overflow Vulnerability in Linksys Routers<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity world is faced with another serious vulnerability, this time affecting a wide range of Linksys products. The vulnerability, tracked as CVE-2025-9482, is a critical flaw that can potentially compromise the system or cause data leakage. Affecting various versions of Linksys RE6250, RE6300, RE6350, RE6500, RE7000, and RE9000, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53580-incorrect-privilege-assignment-vulnerability-in-quantumcloud-simple-business-directory-pro\/\"  data-wpil-monitor-id=\"81117\">vulnerability has far-reaching effects on both businesses<\/a> and individual users who rely on these devices. The gravity of the situation is compounded by the fact that the exploit has been made public, potentially becoming a tool for cybercriminals.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-9482<br \/>\nSeverity: Critical (8.8 CVSS Score)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50160-heap-based-buffer-overflow-in-windows-rras-posing-system-compromise-risk\/\"  data-wpil-monitor-id=\"78447\">System compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2227145134\" 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>Linksys RE6250 | 1.0.013.001<br \/>\nLinksys RE6300 | 1.0.04.001<br \/>\nLinksys RE6350 | 1.0.04.002<br \/>\nLinksys RE6500 | 1.1.05.003<br \/>\nLinksys RE7000 | 1.2.07.001<br \/>\nLinksys RE9000 | 1.2.07.001<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55746-unauthenticated-file-manipulation-vulnerability-in-directus\/\"  data-wpil-monitor-id=\"78723\">vulnerability resides in the function portRangeForwardAdd of the file<\/a> \/goform\/portRangeForwardAdd. By manipulating the argument ruleName\/schedule\/inboundFilter\/TCPPorts\/UDPPorts, an attacker can cause a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43591-heap-based-buffer-overflow-vulnerability-in-indesign-desktop\/\"  data-wpil-monitor-id=\"77853\">buffer overflow<\/a>. A <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49757-critical-buffer-overflow-vulnerability-in-windows-rras\/\"  data-wpil-monitor-id=\"78155\">buffer overflow<\/a> occurs when more data is written to a buffer than it can handle, causing the excess data to overflow into adjacent memory spaces. This can result in erratic program behavior, including memory access errors, incorrect results, program termination, or a breach of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7093-critical-vulnerability-in-belkin-f9k1122-1-00-33-impacting-system-security-and-data-integrity\/\"  data-wpil-monitor-id=\"91099\">system security<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-367120081\" 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>The following conceptual example <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49527-buffer-overflow-vulnerability-in-illustrator-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"78162\">illustrates how an attacker might exploit this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/portRangeForwardAdd HTTP\/1.1\nHost: target.router.com\nContent-Type: application\/x-www-form-urlencoded\nruleName=overflown_data&amp;schedule=any&amp;inboundFilter=allow&amp;TCPPorts=all&amp;UDPPorts=all<\/code><\/pre>\n<p>In this example, the &#8220;overflown_data&#8221; is a large data string that causes the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8819-critical-stack-based-buffer-overflow-vulnerability-in-linksys-devices\/\"  data-wpil-monitor-id=\"78158\">buffer overflow<\/a>. It&#8217;s important to note that this is a generalized example, and the actual exploit may be more complex.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity world is faced with another serious vulnerability, this time affecting a wide range of Linksys products. The vulnerability, tracked as CVE-2025-9482, is a critical flaw that can potentially compromise the system or cause data leakage. Affecting various versions of Linksys RE6250, RE6300, RE6350, RE6500, RE7000, and RE9000, the vulnerability has far-reaching effects [&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":[86],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-70221","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/70221","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=70221"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/70221\/revisions"}],"predecessor-version":[{"id":84118,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/70221\/revisions\/84118"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=70221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=70221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=70221"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=70221"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=70221"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=70221"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=70221"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=70221"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=70221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}