{"id":75950,"date":"2025-09-17T12:41:40","date_gmt":"2025-09-17T12:41:40","guid":{"rendered":""},"modified":"2025-10-28T22:21:44","modified_gmt":"2025-10-29T04:21:44","slug":"cve-2025-58321-delta-electronics-dialink-directory-traversal-authentication-bypass-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-58321-delta-electronics-dialink-directory-traversal-authentication-bypass-vulnerability\/","title":{"rendered":"<strong>CVE-2025-58321: Delta Electronics DIALink Directory Traversal Authentication Bypass Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-58321 is a critical vulnerability affecting Delta Electronics DIALink software. This vulnerability allows an attacker to bypass authentication mechanisms and potentially carry out directory traversal attacks. As a result, the attacker could potentially gain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7051-unauthorized-access-and-manipulation-of-syslog-configuration-in-n-central\/\"  data-wpil-monitor-id=\"84606\">unauthorized access<\/a> to sensitive data or system resources, leading to a possible system compromise or data leakage. Considering the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54493-critical-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/\"  data-wpil-monitor-id=\"83429\">critical nature of this vulnerability<\/a>, it is essential for all users of the affected software to understand the threat it poses and the measures necessary to mitigate it.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-58321<br \/>\nSeverity: Critical (CVSS: 10.0)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22404-potential-system-compromise-due-to-use-after-free-vulnerability\/\"  data-wpil-monitor-id=\"85545\">System compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1429968342\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53418-buffer-overflow-vulnerability-in-delta-electronics-commgr\/\"  data-wpil-monitor-id=\"86220\">Delta Electronics<\/a> DIALink | All versions<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-58321 exploit takes advantage of a flaw in the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7028-exploiting-the-software-smi-handler-vulnerability\/\"  data-wpil-monitor-id=\"88160\">authentication mechanism of the Delta Electronics DIALink<\/a> software. This allows an attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-50641-authentication-bypass-vulnerability-in-pandoranext-tokenstool\/\"  data-wpil-monitor-id=\"84803\">bypass the software&#8217;s authentication<\/a> protocol and to manipulate the software&#8217;s directory traversal functions. A successful exploit could result in unauthorized access to system resources or sensitive data, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9253-stack-based-buffer-overflow-on-linksys-wi-fi-range-extenders-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"84232\">leading to potential data leakage or system<\/a> compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1696363080\" 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>Here is a conceptual example of how the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8592-wordpress-inspiro-theme-vulnerability-to-cross-site-request-forgery-csrf\/\"  data-wpil-monitor-id=\"85448\">vulnerability might be exploited using an HTTP request<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">GET \/..\/..\/..\/..\/etc\/passwd HTTP\/1.1\nHost: vulnerable_DIALink_server.com<\/code><\/pre>\n<p>In this example, an attacker exploits directory traversal <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55454-authenticated-arbitrary-file-upload-vulnerability-in-dootask-v1-0-51\/\"  data-wpil-monitor-id=\"84468\">vulnerability by requesting a file<\/a> (`\/etc\/passwd`) located outside the server&#8217;s root directory. If the server fails to properly <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2413-bypassing-authentication-in-akinsoft-prokuafor-due-to-improper-restriction-of-excessive-authentication-attempts\/\"  data-wpil-monitor-id=\"85782\">authenticate this request or restrict<\/a> access to its internal files, the attacker could gain unauthorized access to sensitive information.<\/p>\n<p><strong>Mitigation Measures<\/strong><\/p>\n<p>Users of the affected software are advised to apply the patch provided by the vendor promptly. Until the patch can be applied, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation against potential exploits. Furthermore, regular monitoring and auditing of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32706-windows-common-log-file-system-driver-privilege-elevation-vulnerability\/\"  data-wpil-monitor-id=\"91750\">system logs<\/a> can help detect any suspicious activity related to this vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-58321 is a critical vulnerability affecting Delta Electronics DIALink software. This vulnerability allows an attacker to bypass authentication mechanisms and potentially carry out directory traversal attacks. As a result, the attacker could potentially gain unauthorized access to sensitive data or system resources, leading to a possible system compromise or data leakage. Considering the critical [&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":[75,85],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-75950","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-authentication-bypass","attack_vector-directory-traversal"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/75950","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=75950"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/75950\/revisions"}],"predecessor-version":[{"id":84922,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/75950\/revisions\/84922"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=75950"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=75950"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=75950"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=75950"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=75950"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=75950"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=75950"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=75950"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=75950"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}