{"id":69104,"date":"2025-08-31T13:11:37","date_gmt":"2025-08-31T13:11:37","guid":{"rendered":""},"modified":"2025-09-06T17:37:48","modified_gmt":"2025-09-06T23:37:48","slug":"cve-2025-9253-stack-based-buffer-overflow-on-linksys-wi-fi-range-extenders-leading-to-potential-system-compromise","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-9253-stack-based-buffer-overflow-on-linksys-wi-fi-range-extenders-leading-to-potential-system-compromise\/","title":{"rendered":"<strong>CVE-2025-9253: Stack-based Buffer Overflow on Linksys Wi-Fi Range Extenders Leading to Potential System Compromise<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical security vulnerability, designated as CVE-2025-9253, has been identified in a range of Linksys Wi-Fi range extenders. This issue has been found to affect RE6250, RE6300, RE6350, RE6500, RE7000, and RE9000 models with specific firmware versions. The <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=\"76815\">vulnerability resides in the RP_doSpecifySiteSurvey function of the \/goform\/RP_doSpecifySiteSurvey file<\/a>. An attacker can exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36594-critical-authentication-bypass-vulnerability-in-dell-powerprotect-data-domain\/\"  data-wpil-monitor-id=\"76771\">vulnerability and compromise the system or cause data<\/a> leakage, posing significant risks for users.<br \/>\nThe breach is particularly dangerous because the attack can be initiated remotely, and the exploit has been publicly disclosed. Despite being informed about this vulnerability, the vendor has remained silent, leaving the devices <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42957-critical-backdoor-vulnerability-in-sap-s-4hana-exposes-systems-to-potential-compromise\/\"  data-wpil-monitor-id=\"79583\">exposed to potential<\/a> attacks.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-9253<br \/>\nSeverity: High (8.8\/10)<br \/>\nAttack Vector: Network<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=\"78439\">System compromise<\/a>, data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-761650315\" 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, 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 | 1.0.013.001, 1.0.04.001, 1.0.04.002, 1.1.05.003<br \/>\nLinksys RE9000 | 1.0.013.001, 1.0.04.001, 1.0.04.002, 1.1.05.003, 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-2025-47993-improper-access-control-vulnerability-in-microsoft-pc-manager\/\"  data-wpil-monitor-id=\"77517\">vulnerability stems from the improper<\/a> handling of the &#8216;ssidhex&#8217; argument in the function RP_doSpecifySiteSurvey. When an attacker manipulates &#8216;ssidhex&#8217; and sends an overly long argument, it <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54351-buffer-overflow-vulnerability-in-iperf\/\"  data-wpil-monitor-id=\"77202\">overflows the stack-based buffer<\/a>. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48816-integer-overflow-vulnerability-in-hid-class-driver-leading-to-local-privilege-escalation\/\"  data-wpil-monitor-id=\"76726\">overflow can lead<\/a> to arbitrary code execution, granting the attacker control over the system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3763634649\" 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 is a conceptual example of how an attacker might exploit the vulnerability. This is not a working exploit but an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49527-buffer-overflow-vulnerability-in-illustrator-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"78165\">illustration of the vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/RP_doSpecifySiteSurvey HTTP\/1.1\nHost: target_linksys_device_ip\nContent-Type: application\/x-www-form-urlencoded\nssidhex=41414141...[A*5000]<\/code><\/pre>\n<p>In this example, the &#8216;ssidhex&#8217; argument is filled with a large number of &#8216;A&#8217; characters (41 in hexadecimal), causing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54878-heap-buffer-overflow-vulnerability-in-nasa-cryptolib\/\"  data-wpil-monitor-id=\"77490\">buffer overflow<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical security vulnerability, designated as CVE-2025-9253, has been identified in a range of Linksys Wi-Fi range extenders. This issue has been found to affect RE6250, RE6300, RE6350, RE6500, RE7000, and RE9000 models with specific firmware versions. The vulnerability resides in the RP_doSpecifySiteSurvey function of the \/goform\/RP_doSpecifySiteSurvey file. An attacker can exploit this vulnerability [&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-69104","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\/69104","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=69104"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/69104\/revisions"}],"predecessor-version":[{"id":72014,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/69104\/revisions\/72014"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=69104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=69104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=69104"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=69104"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=69104"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=69104"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=69104"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=69104"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=69104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}