{"id":36154,"date":"2025-05-07T21:37:53","date_gmt":"2025-05-07T21:37:53","guid":{"rendered":""},"modified":"2025-05-29T11:44:23","modified_gmt":"2025-05-29T17:44:23","slug":"cve-2025-4149-critical-buffer-overflow-vulnerability-in-netgear-ex6200-1-0-3-94","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4149-critical-buffer-overflow-vulnerability-in-netgear-ex6200-1-0-3-94\/","title":{"rendered":"<strong>CVE-2025-4149: Critical Buffer Overflow Vulnerability in Netgear EX6200 1.0.3.94<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2025-4149 is a critical vulnerability discovered in Netgear EX6200 version 1.0.3.94. The flaw exists in the function sub_54014 and can be exploited remotely by manipulating the argument &#8216;host&#8217;, which leads to a buffer overflow. This is a grave concern for users and administrators of the said product as it opens up the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-40367-critical-vulnerability-in-syngo-fastview-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"40922\">potential for system<\/a> compromise and data leakage, posing significant threats to privacy and security.<br \/>\nGiven the vendor&#8217;s lack of response to this disclosure, it is imperative that <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43922-unprivileged-local-user-privilege-escalation-vulnerability-in-filewave-windows-client\/\"  data-wpil-monitor-id=\"41424\">users are made aware of the vulnerability<\/a> and its impacts. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1290-high-severity-race-condition-use-after-free-vulnerability-in-kernel-5-4-on-chromeos\/\"  data-wpil-monitor-id=\"41772\">severity score of 8.8 assigned to this vulnerability<\/a> reflects its potential to inflict significant damage, and measures need to be taken to mitigate the risks.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-4149<br \/>\nSeverity: Critical (8.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-34322-inadequate-precaution-in-xen-s-shadow-paging-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"40978\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3166021472\" 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=\"42303\">Netgear EX6200<\/a> | 1.0.3.94<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit works by manipulating the &#8216;host&#8217; argument in the function sub_54014. This manipulation triggers a buffer overflow, which can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-42028-critical-vulnerability-in-syngo-fastview-allowing-remote-code-execution\/\"  data-wpil-monitor-id=\"40870\">allow an attacker to execute arbitrary code<\/a> on the system or even gain control of the system. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-47663-unauthenticated-remote-attacker-gaining-full-access-due-to-improper-json-web-tokens-implementation\/\"  data-wpil-monitor-id=\"41644\">attack can be initiated remotely<\/a> over the network, requiring no user interaction and no special privileges, which makes it particularly dangerous.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2319140618\" 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 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47154-exploitation-of-use-after-free-vulnerability-in-libjs-in-ladybird\/\"  data-wpil-monitor-id=\"50930\">exploit this vulnerability<\/a>. This could be done by sending a specially crafted <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4827-critical-buffer-overflow-vulnerability-in-totolink-http-post-request-handler\/\"  data-wpil-monitor-id=\"50929\">HTTP request<\/a> to the target device:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/sub_54014 HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;host&quot;: &quot;A long string that causes buffer overflow...&quot; }<\/code><\/pre>\n<p>In the above example, the &#8216;host&#8217; key in the JSON body is given a long string value that exceeds the buffer capacity, triggering an overflow.<br \/>\nPlease note that this is a conceptual example and the actual exploitation would require specific knowledge of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44192-high-severity-sql-injection-vulnerability-in-simple-barangay-management-system-v1-0\/\"  data-wpil-monitor-id=\"42136\">system&#8217;s architecture and the vulnerable<\/a> function&#8217;s implementation.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2025-4149 is a critical vulnerability discovered in Netgear EX6200 version 1.0.3.94. The flaw exists in the function sub_54014 and can be exploited remotely by manipulating the argument &#8216;host&#8217;, which leads to a buffer overflow. This is a grave concern for users and administrators of the said product as it opens up the potential [&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-36154","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\/36154","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=36154"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/36154\/revisions"}],"predecessor-version":[{"id":45582,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/36154\/revisions\/45582"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=36154"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=36154"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=36154"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=36154"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=36154"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=36154"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=36154"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=36154"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=36154"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}