{"id":59838,"date":"2025-08-03T02:38:23","date_gmt":"2025-08-03T02:38:23","guid":{"rendered":""},"modified":"2025-09-16T12:32:34","modified_gmt":"2025-09-16T18:32:34","slug":"cve-2025-7766-xml-external-entity-attack-on-lantronix-provisioning-manager","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-7766-xml-external-entity-attack-on-lantronix-provisioning-manager\/","title":{"rendered":"<strong>CVE-2025-7766: XML External Entity Attack on Lantronix Provisioning Manager<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-7766 is a high-risk vulnerability that affects the Lantronix Provisioning Manager, a widely used solution for managing network devices. This vulnerability stems from the application&#8217;s handling of XML external entities in device configuration files, which can be exploited by an attacker to execute remote code on the host system without any authentication. Given the prevalence of Lantronix Provisioning Manager in enterprise settings and the severity of the threat, it is crucial for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8913-critical-local-file-inclusion-vulnerability-in-wellchoose-s-organization-portal-system\/\"  data-wpil-monitor-id=\"82442\">organizations to understand and address this vulnerability<\/a> promptly.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-7766<br \/>\nSeverity: High (CVSS 8.0)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40741-stack-based-overflow-vulnerability-in-solid-edge-se2025-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"75851\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2028216234\" 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>Lantronix Provisioning Manager | 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=\"78043\">versions prior<\/a> to patch release<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability arises from the improper processing of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28946-php-remote-file-inclusion-vulnerability-in-bzotheme-printxtore\/\"  data-wpil-monitor-id=\"66213\">XML<\/a> input in the configuration files of network devices by Lantronix Provisioning Manager. By including malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54445-xml-external-entity-reference-vulnerability-in-samsung-electronics-magicinfo-9-server\/\"  data-wpil-monitor-id=\"69989\">XML external entities<\/a> in these configuration files, an attacker can trick the application into executing arbitrary code or accessing sensitive data on the host system. The attack can be launched remotely over a network, without any need for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5821-critical-authentication-bypass-vulnerability-in-case-theme-user-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"83359\">user interaction or authentication<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-952942668\" 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 this vulnerability might be exploited using a malformed <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54439-unrestricted-file-upload-vulnerability-in-samsung-electronics-magicinfo-9-server\/\"  data-wpil-monitor-id=\"67041\">XML entity<\/a> in a device configuration file.<\/p>\n<pre><code class=\"\" data-line=\"\">&lt;?xml version=&quot;1.0&quot; encoding=&quot;ISO-8859-1&quot;?&gt;\n&lt;!DOCTYPE foo [\n&lt;!ELEMENT foo ANY &gt;\n&lt;!ENTITY xxe SYSTEM &quot;file:\/\/\/etc\/passwd&quot; &gt;]&gt;&lt;foo&gt;&amp;xxe;&lt;\/foo&gt;<\/code><\/pre>\n<p>In this example, the entity `xxe` is defined to reference a sensitive <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3671-critical-local-file-inclusion-vulnerability-in-wpgym-wordpress-gym-management-system-plugin\/\"  data-wpil-monitor-id=\"80542\">file on the host system<\/a>. When the Lantronix Provisioning Manager processes this XML, it may inadvertently expose the content of this file, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52496-race-condition-in-mbed-tls-library-leads-to-potential-aes-key-extraction\/\"  data-wpil-monitor-id=\"76157\">leading to potential<\/a> data leakage.<\/p>\n<p><strong>Recommendations<\/strong><\/p>\n<p>To mitigate this vulnerability, it is recommended to apply the vendor-supplied patch as soon as it is available. In the interim, the use of a web application firewall (WAF) or intrusion detection system (IDS) can provide temporary protection by blocking malicious XML entities. Organizations are also encouraged to follow best practices for <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7096-critical-vulnerability-in-comodo-internet-security-premium-12-3-4-8162\/\"  data-wpil-monitor-id=\"67042\">secure coding and XML processing to prevent similar vulnerabilities<\/a> in the future.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-7766 is a high-risk vulnerability that affects the Lantronix Provisioning Manager, a widely used solution for managing network devices. This vulnerability stems from the application&#8217;s handling of XML external entities in device configuration files, which can be exploited by an attacker to execute remote code on the host system without any authentication. Given the [&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-59838","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\/59838","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=59838"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59838\/revisions"}],"predecessor-version":[{"id":75897,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59838\/revisions\/75897"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59838"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59838"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59838"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59838"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59838"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59838"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59838"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59838"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59838"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}