{"id":36067,"date":"2025-05-07T17:36:05","date_gmt":"2025-05-07T17:36:05","guid":{"rendered":""},"modified":"2025-05-21T05:00:56","modified_gmt":"2025-05-21T05:00:56","slug":"cve-2025-4147-critical-remote-buffer-overflow-vulnerability-in-netgear-ex6200-1-0-3-94","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4147-critical-remote-buffer-overflow-vulnerability-in-netgear-ex6200-1-0-3-94\/","title":{"rendered":"<strong>CVE-2025-4147: Critical Remote Buffer Overflow Vulnerability in Netgear EX6200 1.0.3.94<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability has been identified in Netgear EX6200 version 1.0.3.94, rated with a severity score of 8.8. This vulnerability, classified as a buffer overflow, has the potential to compromise systems or lead to data leakage. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3200-unauthenticated-remote-attacker-exploiting-insecure-tls-protocols\/\"  data-wpil-monitor-id=\"40772\">exploit can be launched remotely<\/a>, increasing its risk and potential impact. This vulnerability is a significant concern for all users of the affected Netgear product, as it could potentially allow malicious actors to gain unauthorized access to sensitive information, or even take control of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45947-arbitrarily-executable-code-vulnerability-in-online-banquet-booking-system-v1-2\/\"  data-wpil-monitor-id=\"40828\">vulnerable systems<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-4147<br \/>\nSeverity: Critical &#8211; CVSS 8.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-40367-critical-vulnerability-in-syngo-fastview-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"40924\">Potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-217360947\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4141-critical-buffer-overflow-vulnerability-in-netgear-ex6200-1-0-3-94\/\"  data-wpil-monitor-id=\"42304\">Netgear EX6200<\/a> | 1.0.3.94<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-4147 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-7224-openvpn-connect-vulnerability-in-macos-versions-3-0-to-3-4-6\/\"  data-wpil-monitor-id=\"41188\">vulnerability exists in the sub_47F7C function of Netgear EX6200 version<\/a> 1.0.3.94. When the &#8216;host&#8217; argument of this function is manipulated, it leads to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3785-critical-buffer-overflow-vulnerability-in-d-link-dwr-m961\/\"  data-wpil-monitor-id=\"40997\">buffer overflow<\/a>. This overflow can corrupt nearby space in memory and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0207-wireshark-4-2-0-http3-dissector-crash-causing-denial-of-service\/\"  data-wpil-monitor-id=\"40841\">cause the application to crash<\/a> or, potentially, allow an attacker to take control of the system. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2015-2079-remote-code-execution-vulnerability-in-usermin\/\"  data-wpil-monitor-id=\"40843\">vulnerability can be exploited remotely<\/a>, and no user interaction is required, making it particularly dangerous.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1042144107\" 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>In this conceptual example, an HTTP <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1305-cross-site-request-forgery-csrf-vulnerability-in-newsblogger-wordpress-theme\/\"  data-wpil-monitor-id=\"42540\">request is crafted to exploit the vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/sub_47F7C\/function HTTP\/1.1\nHost: vulnerable.netgear.com\nContent-Type: application\/json\n{ &quot;host&quot;: &quot;A&quot;.repeat(10000) } \/\/ overflow the buffer<\/code><\/pre>\n<p>In the above example, the &#8220;host&#8221; argument is filled with a string of a length that exceeds the buffer limit, causing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-34325-buffer-overflow-vulnerability-in-libfsimage\/\"  data-wpil-monitor-id=\"41017\">buffer overflow<\/a>.<\/p>\n<p><strong>Recommendations for Mitigation<\/strong><\/p>\n<p>The best course of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46342-kyverno-policy-engine-vulnerability-enables-unauthorized-actions-in-kubernetes\/\"  data-wpil-monitor-id=\"42702\">action to mitigate this vulnerability<\/a> is to apply the vendor-provided patch, when available. However, given the vendor&#8217;s lack of response to initial disclosure, it is advisable to use other means of mitigation. Implementing a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can provide temporary protection by detecting and blocking exploit attempts. Ensure these systems are properly configured to recognize and stop attacks that may exploit this vulnerability.<br \/>\nRegular penetration testing and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20260-buffer-overflow-vulnerability-in-clamav-s-pdf-scanning-process\/\"  data-wpil-monitor-id=\"62711\">vulnerability scanning<\/a> are also crucial in identifying and rectifying such vulnerabilities promptly. Remember, <a href=\"https:\/\/www.ameeba.com\/blog\/the-impact-analysis-of-cybersecurity-events-sentinelone-s-week-20-review\/\"  data-wpil-monitor-id=\"46380\">cybersecurity is not a one-time event<\/a> but rather a continuous process.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability has been identified in Netgear EX6200 version 1.0.3.94, rated with a severity score of 8.8. This vulnerability, classified as a buffer overflow, has the potential to compromise systems or lead to data leakage. The exploit can be launched remotely, increasing its risk and potential impact. This vulnerability is a significant concern [&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-36067","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\/36067","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=36067"}],"version-history":[{"count":13,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/36067\/revisions"}],"predecessor-version":[{"id":56351,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/36067\/revisions\/56351"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=36067"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=36067"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=36067"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=36067"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=36067"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=36067"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=36067"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=36067"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=36067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}