{"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-3078504222\" 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>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-2831688568\" 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}]}}