{"id":69015,"date":"2025-08-31T12:11:09","date_gmt":"2025-08-31T12:11:09","guid":{"rendered":""},"modified":"2025-10-07T16:34:34","modified_gmt":"2025-10-07T22:34:34","slug":"cve-2025-9252-critical-vulnerability-in-linksys-range-extenders-leading-to-potential-system-compromise","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-9252-critical-vulnerability-in-linksys-range-extenders-leading-to-potential-system-compromise\/","title":{"rendered":"<strong>CVE-2025-9252: Critical Vulnerability in Linksys Range Extenders leading to Potential System Compromise<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape continues to evolve at a rapid pace, with new vulnerabilities emerging on an almost daily basis. One such vulnerability that has been identified recently is CVE-2025-9252. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43983-multiple-unauthenticated-access-control-vulnerabilities-in-kuwfi-cpf908-cp5-devices\/\"  data-wpil-monitor-id=\"76776\">vulnerability affects multiple<\/a> versions of Linksys range extenders and poses a serious threat to their security. If exploited, it can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42950-sap-landscape-transformation-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"77521\">potentially lead to a complete system<\/a> compromise or serious data leakage. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54689-high-risk-php-remote-file-inclusion-vulnerability-in-urna\/\"  data-wpil-monitor-id=\"76674\">vulnerability is particularly concerning because it can be exploited remotely<\/a>, and the exploit has already been made public.<br \/>\nGiven its severity and the fact that the vendor has yet to respond to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4044-critical-information-disclosure-vulnerability-in-lexmark-printer-drivers\/\"  data-wpil-monitor-id=\"82570\">vulnerability disclosure<\/a>, it is crucial that users of the affected products apply appropriate mitigation measures to protect their systems. In this blog post, we will provide an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55051-an-in-depth-analysis-of-the-high-risk-default-credentials-vulnerability\/\"  data-wpil-monitor-id=\"89264\">in-depth analysis<\/a> of this vulnerability, how it works, and how it can be mitigated.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-9252<br \/>\nSeverity: Critical (CVSS v3 Score: 8.8)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8939-buffer-overflow-vulnerability-in-tenda-ac20-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"78255\">Potential system<\/a> compromise, data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1840323777\" 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 vulnerability lies in the DisablePasswordAlertRedirect function in the \/goform\/DisablePasswordAlertRedirect file of the affected <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8820-critical-buffer-overflow-vulnerability-in-linksys-range-extenders\/\"  data-wpil-monitor-id=\"77806\">Linksys<\/a> range extenders. By manipulating the &#8216;hint&#8217; argument of this function, an attacker can trigger a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54351-buffer-overflow-vulnerability-in-iperf\/\"  data-wpil-monitor-id=\"77203\">buffer overflow<\/a>. This overflow can overwrite critical system information, potentially leading to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55345-arbitrary-file-overwrite-and-remote-code-execution-vulnerability-in-codex-cli\/\"  data-wpil-monitor-id=\"76797\">arbitrary code execution<\/a>, and hence, system compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2400816073\" 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-2025-24000-authentication-bypass-vulnerability-in-wpexperts-post-smtp-plugin\/\"  data-wpil-monitor-id=\"78974\">POST request to the vulnerable<\/a> endpoint with a malicious payload.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/DisablePasswordAlertRedirect HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;hint&quot;: &quot;A&quot;*1024 }<\/code><\/pre>\n<p>In this example, the &#8216;hint&#8217; argument is filled with a large number of &#8216;A&#8217; characters, triggering a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54878-heap-buffer-overflow-vulnerability-in-nasa-cryptolib\/\"  data-wpil-monitor-id=\"77497\">buffer overflow<\/a>. Note that this is a simplified representation and actual exploit code may be more complex.<\/p>\n<p><strong>Recommended Mitigation<\/strong><\/p>\n<p>Until the vendor provides a patch, users of the affected Linksys devices are advised to use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation measure to detect and block exploit attempts. These measures, however, are not a permanent solution, and users should apply the vendor patch as soon as it becomes available.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape continues to evolve at a rapid pace, with new vulnerabilities emerging on an almost daily basis. One such vulnerability that has been identified recently is CVE-2025-9252. This vulnerability affects multiple versions of Linksys range extenders and poses a serious threat to their security. If exploited, it can potentially lead to a [&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-69015","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\/69015","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=69015"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/69015\/revisions"}],"predecessor-version":[{"id":82100,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/69015\/revisions\/82100"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=69015"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=69015"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=69015"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=69015"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=69015"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=69015"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=69015"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=69015"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=69015"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}