{"id":37731,"date":"2025-05-13T08:29:17","date_gmt":"2025-05-13T08:29:17","guid":{"rendered":""},"modified":"2025-05-30T11:19:42","modified_gmt":"2025-05-30T17:19:42","slug":"cve-2025-45491-critical-command-injection-vulnerability-in-linksys-e5600","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-45491-critical-command-injection-vulnerability-in-linksys-e5600\/","title":{"rendered":"<strong>CVE-2025-45491: Critical Command Injection Vulnerability in Linksys E5600<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the evolving cybersecurity landscape, a critical vulnerability has been identified in the Linksys E5600 v1.1.0.26, labeled as CVE-2025-45491. This vulnerability, if exploited, could potentially lead to system compromise or data leakage. It affects users of the Linksys E5600 v1.1.0.26 device, a popular router used in many homes and <a href=\"https:\/\/www.ameeba.com\/blog\/securing-your-small-business-a-comprehensive-guide-to-cybersecurity-essentials\/\"  data-wpil-monitor-id=\"50235\">small businesses<\/a>. It&#8217;s an alarming issue due to the high CVSS Severity Score of 9.8, indicating a severe threat to the <a href=\"https:\/\/www.ameeba.com\/blog\/m-s-cyberattack-unveiling-the-security-breach-and-its-ramifications-on-customer-data-protection\/\"  data-wpil-monitor-id=\"46786\">security of users&#8217; data<\/a> and systems.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-45491<br \/>\nSeverity: Critical (9.8 CVSS Severity Score)<br \/>\nAttack Vector: Network<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=\"44045\">System compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-755828697\" 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>Linksys E5600 | v1.1.0.26<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-45491 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41450-improper-authentication-vulnerability-in-danfoss-aksm8xxa-series\/\"  data-wpil-monitor-id=\"46785\">vulnerability exists due to the improper<\/a> sanitization of the username parameter in the runtime.ddnsStatus DynDNS function. This allows an attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-35963-os-command-injection-vulnerabilities-in-gtkwave\/\"  data-wpil-monitor-id=\"42442\">inject arbitrary commands<\/a> into the system through this parameter, which will then be executed with high-level privileges. The attacker can exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4096-remote-heap-buffer-overflow-vulnerability-in-google-chrome-html-processing\/\"  data-wpil-monitor-id=\"43125\">vulnerability remotely<\/a> over a network, without requiring any user interaction or privileges.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3173442651\" 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. An attacker sends a malicious HTTP request with the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44868-command-injection-vulnerability-in-wavlink-wl-wn530h4\/\"  data-wpil-monitor-id=\"42739\">injected command<\/a> in the username parameter:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/runtime.ddnsStatus HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;username&quot;: &quot;; [insert malicious command here]&quot; }<\/code><\/pre>\n<p>In this example, the semicolon allows the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2605-os-command-injection-vulnerability-in-honeywell-mb-secure\/\"  data-wpil-monitor-id=\"42741\">inject a new command<\/a> into the username parameter, which is then executed by the system.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>To mitigate this vulnerability, users are advised to apply the patch provided by the vendor as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. This will prevent the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42136-arbitrary-command-execution-vulnerability-in-pax-android-pos-devices\/\"  data-wpil-monitor-id=\"51790\">execution of malicious commands<\/a> and provide an additional layer of security until a permanent solution can be implemented.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the evolving cybersecurity landscape, a critical vulnerability has been identified in the Linksys E5600 v1.1.0.26, labeled as CVE-2025-45491. This vulnerability, if exploited, could potentially lead to system compromise or data leakage. It affects users of the Linksys E5600 v1.1.0.26 device, a popular router used in many homes and small businesses. It&#8217;s an alarming [&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-37731","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\/37731","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=37731"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37731\/revisions"}],"predecessor-version":[{"id":46349,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37731\/revisions\/46349"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=37731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=37731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=37731"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=37731"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=37731"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=37731"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=37731"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=37731"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=37731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}