{"id":53613,"date":"2025-06-19T11:42:43","date_gmt":"2025-06-19T11:42:43","guid":{"rendered":""},"modified":"2025-09-10T11:37:54","modified_gmt":"2025-09-10T17:37:54","slug":"cve-2025-45986-critical-command-injection-vulnerability-in-blink-routers","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-45986-critical-command-injection-vulnerability-in-blink-routers\/","title":{"rendered":"<strong>CVE-2025-45986: Critical Command Injection Vulnerability in Blink Routers<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity field is always on high alert for any vulnerabilities that could compromise the security of systems and networks. In this blog post, we&#8217;re discussing a critical vulnerability, CVE-2025-45986, that affects multiple versions of Blink routers. This vulnerability, if exploited, can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5853-critical-vulnerability-in-tenda-ac6-router-may-lead-to-system-compromise\/\"  data-wpil-monitor-id=\"60038\">lead to system<\/a> compromise or data leakage, posing a significant threat to the integrity, confidentiality, and availability of your data and systems.<br \/>\nBlink routers are widely used in homes and businesses, making this a concern for a broad range of users, from individual consumers to large corporations. The exploit takes advantage of a command injection vulnerability, which allows attackers to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2011-10007-arbitrary-code-execution-vulnerability-in-file-find-rule-for-perl\/\"  data-wpil-monitor-id=\"60008\">execute arbitrary<\/a> commands on the system. This is a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30220-high-severity-xml-external-entity-xxe-vulnerability-in-geoserver-geotools-and-geonetwork\/\"  data-wpil-monitor-id=\"60600\">severe vulnerability<\/a> that has been rated with a CVSS score of 9.8, emphasizing the urgency in addressing this issue.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-45986<br \/>\nSeverity: Critical, CVSS 9.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: Low<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5868-critical-vulnerability-in-rt-thread-leading-to-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"63891\">System compromise<\/a>, potential data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1648994055\" 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>BL-WR9000 | V2.4.9<br \/>\nBL-AC2100_AZ3 | V1.0.4<br \/>\nBL-X10_AC8 | v1.0.5<br \/>\nBL-LTE300 | v1.2.3<br \/>\nBL-F1200_AT1 | v1.0.0<br \/>\nBL-X26_AC8 | v1.2.8<br \/>\nBLAC450M_AE4 | v4.0.0<br \/>\nBL-X26_DA3 | v1.2.7<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6559-command-injection-vulnerability-in-multiple-sapido-wireless-router-models\/\"  data-wpil-monitor-id=\"64049\">vulnerability lies in the bs_SetMacBlack function of the affected router<\/a> firmware. This function accepts a &#8216;mac&#8217; parameter without <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1041-critical-improper-input-validation-vulnerability-in-avaya-call-management-system\/\"  data-wpil-monitor-id=\"60457\">validating or sanitizing the input<\/a> effectively. As a result, an attacker can inject malicious commands through this parameter, which are then <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5491-acer-controlcenter-remote-code-execution-vulnerability-potential-system-compromise\/\"  data-wpil-monitor-id=\"61252\">executed by the system<\/a>. This type of attack, known as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45984-critical-command-injection-vulnerability-detected-in-blink-routers\/\"  data-wpil-monitor-id=\"61336\">command injection<\/a>, can have devastating effects, including system compromise and data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2791847451\" 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 the vulnerability might be exploited. This is a sample HTTP POST request where a malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6104-critical-os-command-injection-vulnerability-in-wifi-soft-unibox-controller\/\"  data-wpil-monitor-id=\"61457\">command is injected<\/a> through the &#8216;mac&#8217; parameter.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/bs_SetMacBlack HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{\n&quot;mac&quot;: &quot;;[malicious_command]&quot;\n}<\/code><\/pre>\n<p>In this example, &#8216;[malicious_command] would be replaced with the actual <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41661-unauthenticated-remote-command-execution-vulnerability-due-to-csrf-in-main-web-interface\/\"  data-wpil-monitor-id=\"61146\">command that the attacker wishes to execute<\/a> on the system. The semicolon preceding the command is used to separate it from any preceding commands, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52921-critical-vulnerability-in-innoshop-allows-code-execution-by-authenticated-attackers\/\"  data-wpil-monitor-id=\"63502\">allowing it to be executed<\/a> independently.<br \/>\nPlease note: This example is purely conceptual and meant for educational purposes. <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46414-unlimited-pin-attempts-vulnerability-in-api\/\"  data-wpil-monitor-id=\"81244\">Attempting to exploit this vulnerability<\/a> could be illegal and against the ethical guidelines of responsible cybersecurity.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity field is always on high alert for any vulnerabilities that could compromise the security of systems and networks. In this blog post, we&#8217;re discussing a critical vulnerability, CVE-2025-45986, that affects multiple versions of Blink routers. This vulnerability, if exploited, can lead to system compromise or data leakage, posing a significant threat 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":[78],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-53613","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\/53613","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=53613"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53613\/revisions"}],"predecessor-version":[{"id":73694,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53613\/revisions\/73694"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=53613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=53613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=53613"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=53613"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=53613"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=53613"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=53613"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=53613"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=53613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}