{"id":69807,"date":"2025-09-02T04:25:13","date_gmt":"2025-09-02T04:25:13","guid":{"rendered":""},"modified":"2025-09-28T06:30:07","modified_gmt":"2025-09-28T12:30:07","slug":"cve-2025-9361-critical-buffer-overflow-vulnerability-in-linksys-range-extenders","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-9361-critical-buffer-overflow-vulnerability-in-linksys-range-extenders\/","title":{"rendered":"<strong>CVE-2025-9361: Critical Buffer Overflow Vulnerability in Linksys Range Extenders<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the constantly evolving landscape of cybersecurity, vulnerabilities are unearthed and addressed on a regular basis. This particular post dives into a critical vulnerability discovered in several Linksys range extender models, which could potentially trigger a stack-based buffer overflow. The exploit is a concern as it can be triggered remotely, and it opens up the possibility of <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=\"78450\">system compromise<\/a> or data leakage. Moreover, the exploit is now public knowledge, hence increasing the urgency to address it. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47696-high-risk-php-remote-file-inclusion-vulnerability-in-solwin-blog-designer-pro\/\"  data-wpil-monitor-id=\"86071\">vulnerability is designated<\/a> as CVE-2025-9361, and the severity of the issue is significant enough to warrant immediate attention and mitigation.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-9361<br \/>\nSeverity: High (CVSS Score: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54788-sql-injection-vulnerability-in-suitecrm-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"80202\">System compromise or data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3213447781\" 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\/1.0.04.001\/1.0.04.002<br \/>\nLinksys RE6300 | 1.0.013.001\/1.0.04.001\/1.0.04.002<br \/>\nLinksys RE6350 | 1.0.013.001\/1.0.04.001\/1.0.04.002<br \/>\nLinksys RE6500 | 1.0.013.001\/1.0.04.001\/1.0.04.002<br \/>\nLinksys RE7000 | 1.1.05.003<br \/>\nLinksys RE9000 | 1.2.07.001<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54878-heap-buffer-overflow-vulnerability-in-nasa-cryptolib\/\"  data-wpil-monitor-id=\"77473\">buffer overflow vulnerability<\/a>. By manipulating the argument &#8216;ipRangeBlockRuleName\/scheduleIp\/ipRangeBlockRuleIpAddr&#8217; in the &#8216;ipRangeBlockManageRule&#8217; function of the &#8216;\/goform\/ipRangeBlockManageRule&#8217; file, an attacker can cause a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53131-heap-based-buffer-overflow-vulnerability-in-windows-media\/\"  data-wpil-monitor-id=\"77612\">buffer overflow<\/a>. This overflow can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21165-out-of-bounds-write-vulnerability-in-substance3d-designer-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"77448\">lead to arbitrary code<\/a> execution or cause the system to crash, compromising the integrity of the device and potentially leading to data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1566143477\" 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 this vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/ipRangeBlockManageRule HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nipRangeBlockRuleName=ANY_NAME&amp;scheduleIp=ANY_IP&amp;ipRangeBlockRuleIpAddr=ANY_IP_ADDRESS&amp;overflow_data=LONG_STRING_TO_TRIGGER_OVERFLOW<\/code><\/pre>\n<p>In the above hypothetical example, the &#8216;overflow_data&#8217; field is loaded with an excessively long string to trigger a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8817-critical-stack-based-buffer-overflow-vulnerability-in-linksys-devices\/\"  data-wpil-monitor-id=\"77779\">buffer overflow<\/a>.<br \/>\nPlease note that this example is conceptual and should not be used to exploit real systems. It is provided for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-13786-critical-php-object-injection-vulnerability-in-wordpress-education-theme\/\"  data-wpil-monitor-id=\"92071\">educational purposes to understand the nature of the vulnerability<\/a> and to facilitate its mitigation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the constantly evolving landscape of cybersecurity, vulnerabilities are unearthed and addressed on a regular basis. This particular post dives into a critical vulnerability discovered in several Linksys range extender models, which could potentially trigger a stack-based buffer overflow. The exploit is a concern as it can be triggered remotely, and it opens up [&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":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-69807","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/69807","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=69807"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/69807\/revisions"}],"predecessor-version":[{"id":85278,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/69807\/revisions\/85278"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=69807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=69807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=69807"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=69807"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=69807"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=69807"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=69807"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=69807"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=69807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}