{"id":60313,"date":"2025-08-07T11:17:15","date_gmt":"2025-08-07T11:17:15","guid":{"rendered":""},"modified":"2025-09-27T07:38:46","modified_gmt":"2025-09-27T13:38:46","slug":"cve-2019-19144-xml-external-entity-injection-vulnerability-in-quantum-dxi6702-devices","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2019-19144-xml-external-entity-injection-vulnerability-in-quantum-dxi6702-devices\/","title":{"rendered":"<strong>CVE-2019-19144: XML External Entity Injection Vulnerability in Quantum DXi6702 Devices<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>Today, we will be discussing a critical vulnerability identified as CVE-2019-19144. This flaw is an XML External Entity (XXE) Injection vulnerability that affects Quantum DXi6702 devices running version 2.3.0.3 (11449-53631 Build304). The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47998-severe-heap-based-buffer-overflow-vulnerability-in-windows-routing-and-remote-access-service\/\"  data-wpil-monitor-id=\"67578\">vulnerability is of particular concern due to its high severity<\/a>, with a CVSS score of 9.8, signifying that it poses a significant risk to the security of affected systems.<br \/>\nThe <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25214-race-condition-vulnerability-in-wwbn-avideo-14-4-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"67577\">vulnerability can potentially lead<\/a> to system compromise or data leakage, making it a serious threat that warrants immediate attention. It is especially concerning for organizations that depend on Quantum DXi6702 devices for their daily operations, as an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-7457-macos-authorization-model-exploit-leading-to-potential-mitm-attacks\/\"  data-wpil-monitor-id=\"80120\">exploit could lead<\/a> to significant operational and financial losses.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2019-19144<br \/>\nSeverity: Critical (CVSS 9.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45346-sql-injection-vulnerability-in-bacula-web-resulting-in-potential-system-compromise\/\"  data-wpil-monitor-id=\"68268\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-320892215\" 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>Quantum DXi6702 | 2.3.0.3 (11449-53631 Build304)<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The XML External Entity (XXE) <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54451-code-injection-vulnerability-in-samsung-electronics-magicinfo-9-server\/\"  data-wpil-monitor-id=\"67576\">Injection vulnerability<\/a> in Quantum DXi6702 devices arises from the improper processing of XML data. When the device receives a specially crafted XML request where an external entity is defined with a URI that resolves to a file on the local machine or a resource on the network, it can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54444-unrestricted-file-upload-leading-to-code-injection-in-samsung-electronics-magicinfo-9-server\/\"  data-wpil-monitor-id=\"67579\">lead to unauthorized disclosure of file<\/a> data, denial of service, SSRF, NTLM relay, or remote code execution.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-4287540501\" 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 an HTTP <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36845-server-side-request-forgery-ssrf-vulnerability-in-eveo-urve-web-manager\/\"  data-wpil-monitor-id=\"70659\">request exploiting this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/rest\/Users?action=authenticate HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/xml\n&lt;?xml version=&quot;1.0&quot; encoding=&quot;ISO-8859-1&quot;?&gt;\n&lt;!DOCTYPE foo [ &lt;!ELEMENT foo ANY &gt;\n&lt;!ENTITY xxe SYSTEM &quot;file:\/\/\/etc\/passwd&quot; &gt;]&gt;\n&lt;foo&gt;&amp;xxe;&lt;\/foo&gt;<\/code><\/pre>\n<p>In this example, the entity `xxe` is defined as the <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=\"80536\">system file<\/a> `\/etc\/passwd`. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7766-xml-external-entity-attack-on-lantronix-provisioning-manager\/\"  data-wpil-monitor-id=\"68267\">XML parser resolves the entity<\/a> and includes the content of the file in its response, leading to information disclosure.<\/p>\n<p><strong>Mitigation Measures<\/strong><\/p>\n<p>The primary mitigation measure for this vulnerability is applying the vendor-provided patch. Quantum has <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-35115-critical-system-package-download-vulnerability-in-agiloft-release-28\/\"  data-wpil-monitor-id=\"85322\">released a patch that addresses this vulnerability<\/a>, and users are strongly advised to apply this patch as soon as possible to protect their systems.<br \/>\nIn situations where immediate patching is not possible, temporary mitigation can be achieved by using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS). Both of these <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52950-unauthorized-access-exploitation-in-juniper-networks-security-director\/\"  data-wpil-monitor-id=\"71361\">security measures can help detect and prevent attempts to exploit<\/a> this vulnerability. However, these are temporary solutions, and applying the vendor-provided patch remains the most effective way to mitigate this vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview Today, we will be discussing a critical vulnerability identified as CVE-2019-19144. This flaw is an XML External Entity (XXE) Injection vulnerability that affects Quantum DXi6702 devices running version 2.3.0.3 (11449-53631 Build304). The vulnerability is of particular concern due to its high severity, with a CVSS score of 9.8, signifying that it poses a significant [&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":[87,80,101],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-60313","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-dos","attack_vector-rce","attack_vector-ssrf"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/60313","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=60313"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/60313\/revisions"}],"predecessor-version":[{"id":78115,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/60313\/revisions\/78115"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=60313"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=60313"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=60313"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=60313"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=60313"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=60313"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=60313"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=60313"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=60313"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}