{"id":44919,"date":"2025-05-27T11:54:11","date_gmt":"2025-05-27T11:54:11","guid":{"rendered":""},"modified":"2025-09-14T23:36:46","modified_gmt":"2025-09-15T05:36:46","slug":"cve-2025-4978-critical-authentication-vulnerability-in-netgear-dgnd3700","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4978-critical-authentication-vulnerability-in-netgear-dgnd3700\/","title":{"rendered":"<strong>CVE-2025-4978: Critical Authentication Vulnerability in Netgear DGND3700<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A severe vulnerability, classified as very critical, has been discovered in Netgear DGND3700 firmware version 1.1.00.15_1.00.15NA. This vulnerability, identified as CVE-2025-4978, pertains to an unknown part of the file \/BRS_top.html of the component Basic Authentication. The manipulation of this component can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48017-improper-pathname-limitation-leads-to-unauthorized-file-modification\/\"  data-wpil-monitor-id=\"52982\">lead to improper<\/a> authentication. As a result, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39350-unauthorized-access-vulnerability-in-rocket-apps-wproject\/\"  data-wpil-monitor-id=\"55658\">unauthorized entities may gain access<\/a> and control over the system. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47916-critical-remote-code-execution-vulnerability-in-invision-community-5-0-0\/\"  data-wpil-monitor-id=\"50403\">vulnerability is particularly concerning as it can be initiated remotely<\/a>, potentially affecting a significant number of users globally.<br \/>\nThe existence of this exploit has been publicly disclosed and may be utilized by malicious entities for nefarious purposes. Therefore, it is crucial to understand the implications of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46658-critical-security-vulnerability-in-exonautweb-s-4c-strategies-exonaut-21-6\/\"  data-wpil-monitor-id=\"82467\">vulnerability and implement the suggested mitigation strategies<\/a> as soon as possible.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-4978<br \/>\nSeverity: Very Critical, CVSS Score 9.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-22190-critical-gitpython-vulnerability-exposes-windows-systems-to-potential-compromise\/\"  data-wpil-monitor-id=\"51335\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2256243466\" 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 DGND3700 | 1.1.00.15_1.00.15NA<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This exploit works by manipulating the \/BRS_top.html <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46584-improper-authentication-logic-vulnerability-in-file-system-module\/\"  data-wpil-monitor-id=\"57967\">file of the Basic Authentication<\/a> component in the Netgear DGND3700 firmware. By executing a successful attack, the improper <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36535-unrestricted-remote-access-due-to-lack-of-web-server-authentication-and-access-controls\/\"  data-wpil-monitor-id=\"52758\">authentication process allows unauthorized access<\/a> to the system. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4810-critical-remote-buffer-overflow-vulnerability-in-tenda-ac7\/\"  data-wpil-monitor-id=\"50657\">vulnerability can be initiated remotely<\/a>, which means an attacker does not need physical access to the device.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2127291615\" 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 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23394-critical-unix-symbolic-link-following-vulnerability-in-opensuse-tumbleweed-cyrus-imapd\/\"  data-wpil-monitor-id=\"54394\">following is a conceptual example of how the vulnerability<\/a> might be exploited. Please note that this is purely for educational purposes.<\/p>\n<pre><code class=\"\" data-line=\"\">GET \/BRS_top.html HTTP\/1.1\nHost: target.device.ip.address\nHTTP\/1.1 200 OK\nContent-Type: text\/html\n&lt;script&gt;\n\/\/ code to manipulate authentication\n&lt;\/script&gt;<\/code><\/pre>\n<p>In this conceptual example, an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4827-critical-buffer-overflow-vulnerability-in-totolink-http-post-request-handler\/\"  data-wpil-monitor-id=\"51336\">HTTP GET request<\/a> is made to the \/BRS_top.html file. It is then manipulated through the addition of malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50754-stored-cross-site-scripting-xss-vulnerability-leading-to-remote-code-execution-in-unisite-cms-5-0\/\"  data-wpil-monitor-id=\"74679\">script code<\/a>, compromising the authentication process.<\/p>\n<p><strong>Recommended Mitigation<\/strong><\/p>\n<p>Users are advised to apply the vendor patch as soon as it is available. In the meantime, they can use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary mitigation strategy.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A severe vulnerability, classified as very critical, has been discovered in Netgear DGND3700 firmware version 1.1.00.15_1.00.15NA. This vulnerability, identified as CVE-2025-4978, pertains to an unknown part of the file \/BRS_top.html of the component Basic Authentication. The manipulation of this component can lead to improper authentication. As a result, unauthorized entities may gain access and [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-44919","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44919","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=44919"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44919\/revisions"}],"predecessor-version":[{"id":74988,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/44919\/revisions\/74988"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=44919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=44919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=44919"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=44919"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=44919"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=44919"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=44919"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=44919"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=44919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}