{"id":57877,"date":"2025-07-06T23:44:39","date_gmt":"2025-07-06T23:44:39","guid":{"rendered":""},"modified":"2025-09-12T00:48:14","modified_gmt":"2025-09-12T06:48:14","slug":"cve-2025-41656-unauthenticated-remote-command-execution-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-41656-unauthenticated-remote-command-execution-vulnerability\/","title":{"rendered":"<strong>CVE-2025-41656: Unauthenticated Remote Command Execution Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-41656 is a critical security vulnerability that allows an unauthenticated remote attacker to execute arbitrary commands on affected devices with high privileges. This flaw results from a design oversight where, by default, the Node_RED server is not configured for authentication. It poses a potentially severe risk to systems running the affected software, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3090-unauthenticated-remote-attack-leading-to-potential-data-leakage-and-system-compromise\/\"  data-wpil-monitor-id=\"64618\">leading to system compromise or data leakage<\/a>. Given its severity, it&#8217;s crucial that system administrators and security teams understand the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52709-high-risk-deserialization-of-untrusted-data-vulnerability-in-everest-forms\/\"  data-wpil-monitor-id=\"65271\">risks posed by this vulnerability<\/a> and take appropriate action.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-41656<br \/>\nSeverity: Critical (10.0)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6435-firefox-vulnerability-leading-to-potential-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"65272\">System compromise or data<\/a> leakage upon successful exploitation<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3655003411\" 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>Node_RED Server | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55010-arbitrary-php-object-instantiation-in-kanboard-prior-to-version-1-2-47\/\"  data-wpil-monitor-id=\"77971\">versions prior<\/a> to patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3319-an-authentication-bypass-vulnerability-in-ibm-spectrum-protect-server\/\"  data-wpil-monitor-id=\"64408\">vulnerability is due to the lack of default authentication<\/a> configuration in the Node_RED server. This oversight allows an attacker to gain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32977-unauthenticated-backup-file-upload-vulnerability-in-quest-kace-systems-management-appliance\/\"  data-wpil-monitor-id=\"64437\">unauthenticated remote access to the system<\/a>. Once the connection is established, the attacker can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54416-arbitrary-command-execution-vulnerability-in-tj-actions-branch-names-github-action\/\"  data-wpil-monitor-id=\"69549\">execute arbitrary commands<\/a> with high privileges. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6032-unverified-tls-certificate-in-podman-machine-init-command-leads-to-potential-man-in-the-middle-attack\/\"  data-wpil-monitor-id=\"64617\">commands could lead<\/a> to various malicious activities, including system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-884849781\" 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 hypothetical HTTP request sends a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7390-malicious-client-bypass-of-opc-https-server-certificate-trust-check\/\"  data-wpil-monitor-id=\"81878\">malicious payload to the Node_RED server<\/a>.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/node_red\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;command&quot;: &quot;rm -rf \/;&quot; }<\/code><\/pre>\n<p>This JSON payload <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52890-critical-acl-bypass-vulnerability-in-incus-system-container-and-virtual-machine-manager\/\"  data-wpil-monitor-id=\"64750\">contains a command to delete all files in the system<\/a> root directory, effectively causing catastrophic damage to the server.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The recommended mitigation for CVE-2025-41656 is to apply the vendor&#8217;s patch. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation. These security measures can help detect and block the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8714-critical-postgresql-vulnerability-allowing-malicious-code-injection-by-superusers\/\"  data-wpil-monitor-id=\"80735\">malicious traffic associated with this vulnerability<\/a>.<br \/>\nProper configuration of the Node_RED <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52571-unauthenticated-access-to-telegram-account-and-server-via-hikka-userbot\/\"  data-wpil-monitor-id=\"64496\">server to require authentication for remote access<\/a> is also an effective measure to prevent this vulnerability from being exploited. Regularly updating and patching your <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-33077-local-stack-based-buffer-overflow-vulnerability-in-ibm-engineering-systems-design-rhapsody\/\"  data-wpil-monitor-id=\"69550\">systems can help protect against such vulnerabilities<\/a> in the future.<br \/>\nIn conclusion, CVE-2025-41656 is a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6568-critical-buffer-overflow-vulnerability-in-totolink-ex1200t\/\"  data-wpil-monitor-id=\"64444\">critical vulnerability<\/a> that can cause severe damage if exploited. Therefore, it&#8217;s of utmost importance to take immediate measures to mitigate the risks associated with it.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-41656 is a critical security vulnerability that allows an unauthenticated remote attacker to execute arbitrary commands on affected devices with high privileges. This flaw results from a design oversight where, by default, the Node_RED server is not configured for authentication. It poses a potentially severe risk to systems running the affected software, leading to [&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":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-57877","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/57877","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=57877"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/57877\/revisions"}],"predecessor-version":[{"id":74338,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/57877\/revisions\/74338"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=57877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=57877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=57877"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=57877"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=57877"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=57877"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=57877"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=57877"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=57877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}