{"id":37724,"date":"2025-05-13T07:28:52","date_gmt":"2025-05-13T07:28:52","guid":{"rendered":""},"modified":"2025-09-08T04:18:57","modified_gmt":"2025-09-08T10:18:57","slug":"cve-2025-4349-critical-command-injection-vulnerability-in-d-link-dir-600l-routers","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4349-critical-command-injection-vulnerability-in-d-link-dir-600l-routers\/","title":{"rendered":"<strong>CVE-2025-4349: Critical Command Injection Vulnerability in D-Link DIR-600L Routers<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The vulnerability CVE-2025-4349 is a critical security flaw found in D-Link DIR-600L routers up to version 2.07B01. This flaw affects the function formSysCmd and allows for command injection through host argument manipulation. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-37442-severe-out-of-bounds-read-vulnerabilities-in-gtkwave-3-3-115\/\"  data-wpil-monitor-id=\"42669\">severity of this vulnerability<\/a> is heightened due to its ability to be exploited remotely, potentially leading to system compromise or data leakage. As the affected products are no longer supported by the maintainer, it is crucial for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40566-severe-user-session-vulnerability-in-simatic-pcs-neo-products\/\"  data-wpil-monitor-id=\"48862\">users to be aware of this vulnerability<\/a> and apply the necessary mitigation strategies.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-4349<br \/>\nSeverity: Critical (CVSS score 8.8)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30165-potential-system-compromise-in-vllm-v0-engine\/\"  data-wpil-monitor-id=\"44046\">System compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-996161456\" 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>D-Link DIR-600L | All versions up to 2.07B01<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49661-untrusted-pointer-dereference-vulnerability-in-windows-ancillary-function-driver-for-winsock\/\"  data-wpil-monitor-id=\"80412\">vulnerability exists in the formSysCmd function<\/a>, where the host argument can be manipulated. This manipulation allows the execution of arbitrary system commands, leading to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-35963-os-command-injection-vulnerabilities-in-gtkwave\/\"  data-wpil-monitor-id=\"42443\">command injection<\/a>. As this can be initiated remotely, it provides an attacker with the ability to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31263-critical-memory-handling-vulnerability-could-lead-to-system-compromise-or-data-leakage-in-macos-sequoia-15-4\/\"  data-wpil-monitor-id=\"57011\">compromise the system or leak data<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1133459682\" 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>Below is a conceptual example of how the vulnerability might be exploited. This is represented as a HTTP request where an attacker sends a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4389-arbitrary-file-upload-vulnerability-in-wordpress-crawlomatic-multipage-scraper-post-generator-plugin\/\"  data-wpil-monitor-id=\"51106\">POST request with a malicious payload to the vulnerable<\/a> endpoint.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/formSysCmd HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;host&quot;: &quot;; rm -rf \/&quot; }<\/code><\/pre>\n<p>In this example, the host argument is manipulated to execute the &#8216;rm -rf \/&#8217; command, which <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45238-arbitrary-file-deletion-vulnerability-in-foxcms-v1-2-5\/\"  data-wpil-monitor-id=\"43129\">deletes all files<\/a> on the system. This highlights the severity and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-36864-integer-overflow-vulnerability-in-gtkwave-3-3-115-with-potential-for-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"42491\">potential damage of this vulnerability<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>As the products affected by this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26847-unmasked-passwords-vulnerability-in-znuny-support-bundle-generation\/\"  data-wpil-monitor-id=\"45850\">vulnerability are no longer supported<\/a> by the maintainer (D-Link), the most effective mitigation strategy would be to apply a vendor patch. In the absence of a patch, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45984-critical-command-injection-vulnerability-detected-in-blink-routers\/\"  data-wpil-monitor-id=\"61338\">detecting and preventing attempts to exploit this vulnerability<\/a>. Furthermore, it is advisable to replace unsupported products with more secure and supported alternatives when possible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The vulnerability CVE-2025-4349 is a critical security flaw found in D-Link DIR-600L routers up to version 2.07B01. This flaw affects the function formSysCmd and allows for command injection through host argument manipulation. The severity of this vulnerability is heightened due to its ability to be exploited remotely, potentially leading to system compromise or data [&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":[78],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-37724","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-injection"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37724","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=37724"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37724\/revisions"}],"predecessor-version":[{"id":72834,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37724\/revisions\/72834"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=37724"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=37724"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=37724"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=37724"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=37724"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=37724"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=37724"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=37724"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=37724"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}