{"id":65048,"date":"2025-08-29T02:51:24","date_gmt":"2025-08-29T02:51:24","guid":{"rendered":""},"modified":"2025-09-03T23:35:29","modified_gmt":"2025-09-04T05:35:29","slug":"cve-2025-9245-high-risk-buffer-overflow-vulnerability-in-linksys-extenders","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-9245-high-risk-buffer-overflow-vulnerability-in-linksys-extenders\/","title":{"rendered":"<strong>CVE-2025-9245: High-Risk Buffer Overflow Vulnerability in Linksys Extenders<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A significant security vulnerability, CVE-2025-9245, has been identified in several models of Linksys Wi-Fi range extenders. The vulnerability resides in the function WPSSTAPINEnr of the file \/goform\/WPSSTAPINEnr and can potentially lead to a complete system compromise or data leakage. Given the widespread use of these devices, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54689-high-risk-php-remote-file-inclusion-vulnerability-in-urna\/\"  data-wpil-monitor-id=\"76619\">vulnerability presents a substantial risk<\/a> and requires immediate attention. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50754-stored-cross-site-scripting-xss-vulnerability-leading-to-remote-code-execution-in-unisite-cms-5-0\/\"  data-wpil-monitor-id=\"74659\">vulnerability is especially serious because it can be remotely<\/a> exploited, and a working exploit is publicly available.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-9245<br \/>\nSeverity: High (8.8 CVSS score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Potential system compromise and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53495-unauthorized-access-data-leakage-in-wikimedia-foundation-mediawiki-abusefilter-extension\/\"  data-wpil-monitor-id=\"72660\">data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4114348825\" 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=\"78739\">vulnerability arises from the manipulation<\/a> of the ssid argument in the WPSSTAPINEnr function. This manipulation results in a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49674-windows-rras-heap-based-buffer-overflow-vulnerability\/\"  data-wpil-monitor-id=\"72329\">buffer overflow<\/a>, a common vulnerability that occurs when more data is written into a buffer than it can handle. This overflow can overwrite adjacent <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27055-memory-corruption-leads-to-potential-system-compromise-during-image-encoding\/\"  data-wpil-monitor-id=\"74346\">memory locations and potentially lead<\/a> to arbitrary code execution. In this case, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9006-critical-remote-buffer-overflow-vulnerability-in-tenda-ch22-1-0-0-1\/\"  data-wpil-monitor-id=\"75377\">vulnerability can be exploited remotely<\/a>, meaning an attacker does not need physical access to the device.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3705040277\" 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>This is a hypothetical <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47168-use-after-free-vulnerability-in-microsoft-office-word-allowing-unauthorized-code-execution\/\"  data-wpil-monitor-id=\"73121\">code snippet showing how an attacker might exploit this vulnerability:<\/a><\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/WPSSTAPINEnr HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;ssid&quot;: &quot;AAAAA...[long string]...AAAAA&quot; }<\/code><\/pre>\n<p>In this example, the &#8216;ssid&#8217; argument is filled with a long string of &#8216;A&#8217; characters, enough to overflow the stack <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30327-integer-overflow-vulnerability-in-incopy-leading-to-potential-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"73583\">buffer<\/a> and potentially allow for the execution of malicious code.<br \/>\nIt&#8217;s crucial to note that the vendor has not yet responded to this disclosure, making mitigation efforts even more critical. Affected users should consider implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary measure, and stay alert for any vendor-provided patches.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A significant security vulnerability, CVE-2025-9245, has been identified in several models of Linksys Wi-Fi range extenders. The vulnerability resides in the function WPSSTAPINEnr of the file \/goform\/WPSSTAPINEnr and can potentially lead to a complete system compromise or data leakage. Given the widespread use of these devices, this vulnerability presents a substantial risk and requires [&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-65048","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\/65048","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=65048"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/65048\/revisions"}],"predecessor-version":[{"id":71119,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/65048\/revisions\/71119"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=65048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=65048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=65048"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=65048"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=65048"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=65048"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=65048"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=65048"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=65048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}