{"id":53064,"date":"2025-06-17T16:24:05","date_gmt":"2025-06-17T16:24:05","guid":{"rendered":""},"modified":"2025-10-15T16:37:19","modified_gmt":"2025-10-15T22:37:19","slug":"cve-2025-5934-critical-stack-based-buffer-overflow-vulnerability-in-netgear-ex3700","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5934-critical-stack-based-buffer-overflow-vulnerability-in-netgear-ex3700\/","title":{"rendered":"<strong>CVE-2025-5934: Critical Stack-Based Buffer Overflow Vulnerability in Netgear EX3700<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity community has recently identified a critical vulnerability in the Netgear EX3700, up to version 1.0.0.88. This vulnerability &#8211; CVE-2025-5934 &#8211; poses a significant threat as it allows attackers to remotely exploit a stack-based buffer overflow, potentially leading to system compromise or data leakage. This issue is of paramount <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4954-critical-file-upload-vulnerability-in-axle-demo-importer-wordpress-plugin\/\"  data-wpil-monitor-id=\"60706\">importance to anyone using devices affected by this vulnerability<\/a>, as it can be exploited remotely and has been publicly disclosed, increasing the likelihood of an attack.<br \/>\nThis vulnerability affects the sub_41619C function of the \/mtd file, which, when manipulated, leads to a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5671-critical-buffer-overflow-vulnerability-in-totolink-n302r-plus-http-post-request-handler\/\"  data-wpil-monitor-id=\"59484\">buffer overflow<\/a>. The severity of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31059-sql-injection-vulnerability-in-wbw-product-table-pro\/\"  data-wpil-monitor-id=\"60215\">vulnerability is amplified by the fact that the affected products<\/a> are no longer supported by the maintainer, making immediate action essential for affected users.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5934<br \/>\nSeverity: Critical (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-2025-5868-critical-vulnerability-in-rt-thread-leading-to-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"63893\">System compromise<\/a>, potential data leakage.<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3301693664\" 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>Netgear EX3700 | Up to 1.0.0.88<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48911-improper-permission-assignment-vulnerability-in-note-sharing-modules\/\"  data-wpil-monitor-id=\"59436\">vulnerability stems from an improperly<\/a> handled buffer in the &#8216;sub_41619C&#8217; function of the \/mtd file in the Netgear EX3700 device. Attackers can exploit this vulnerability by sending specially crafted network packets that cause an overflow in the stack buffer, thus permitting an attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1329-local-user-arbitrary-code-execution-vulnerability-in-ibm-cics-tx\/\"  data-wpil-monitor-id=\"59385\">execute arbitrary code<\/a> on the device. This allows <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31222-potential-privilege-elevation-and-system-compromise-vulnerability\/\"  data-wpil-monitor-id=\"59672\">potential system compromise<\/a> and data leakage if successfully exploited.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2278411248\" 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>While specific exploit code is not available, the following pseudocode illustrates the concept behind the attack:<\/p>\n<pre><code class=\"\" data-line=\"\">def exploit(target_ip):\n# Create a socket object\nsocket_obj = create_socket()\n# Construct the malicious payload\nmalicious_payload = construct_payload()\n# Send the malicious payload to the target\nsocket_obj.send(target_ip, malicious_payload)<\/code><\/pre>\n<p>In this pseudocode, `create_socket()` is a hypothetical function that creates a socket for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-12913-sql-injection-vulnerability-in-megatek-communication-system-azora-wireless-network-management\/\"  data-wpil-monitor-id=\"89995\">network communication<\/a>. `construct_payload()` is a hypothetical function that constructs the malicious payload that will cause the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5672-critical-buffer-overflow-vulnerability-in-totolink-n302r-plus\/\"  data-wpil-monitor-id=\"59534\">buffer overflow<\/a>. The `socket_obj.send()` method sends the malicious payload to the target device, causing the buffer overflow and potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3365-path-traversal-vulnerability-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"59452\">leading to system<\/a> compromise or data leakage.<\/p>\n<p><strong>Mitigation and Remediation<\/strong><\/p>\n<p>The most effective way to mitigate this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49137-critical-vulnerability-in-hax-cms-php-prior-to-version-11-0-0\/\"  data-wpil-monitor-id=\"61960\">vulnerability is by upgrading the Netgear EX3705 to version<\/a> 1.0.0.98. In the absence of an upgrade, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5485-a-critical-vulnerability-pertaining-to-user-name-enumeration-in-web-management-interfaces\/\"  data-wpil-monitor-id=\"61522\">users can apply a vendor patch or use a Web<\/a> Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation method. However, these are only temporary measures and won&#8217;t fully resolve the vulnerability. Therefore, upgrading the device to the latest version is highly recommended.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity community has recently identified a critical vulnerability in the Netgear EX3700, up to version 1.0.0.88. This vulnerability &#8211; CVE-2025-5934 &#8211; poses a significant threat as it allows attackers to remotely exploit a stack-based buffer overflow, potentially leading to system compromise or data leakage. This issue is of paramount importance to anyone using [&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-53064","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\/53064","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=53064"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53064\/revisions"}],"predecessor-version":[{"id":82872,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53064\/revisions\/82872"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=53064"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=53064"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=53064"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=53064"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=53064"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=53064"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=53064"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=53064"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=53064"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}