{"id":55082,"date":"2025-06-25T08:48:42","date_gmt":"2025-06-25T08:48:42","guid":{"rendered":""},"modified":"2025-11-02T11:12:49","modified_gmt":"2025-11-02T17:12:49","slug":"cve-2025-45784-hardcoded-credentials-in-d-link-dph-400s-se-voip-phone-firmware","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-45784-hardcoded-credentials-in-d-link-dph-400s-se-voip-phone-firmware\/","title":{"rendered":"<strong>CVE-2025-45784: Hardcoded Credentials in D-Link DPH-400S\/SE VoIP Phone firmware<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The vulnerability in focus, CVE-2025-45784, is a critical security flaw found in D-Link DPH-400S\/SE VoIP Phone v1.01. The device contains hardcoded provisioning variables, which include sensitive user credentials like PROVIS_USER_PASSWORD. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5485-a-critical-vulnerability-pertaining-to-user-name-enumeration-in-web-management-interfaces\/\"  data-wpil-monitor-id=\"61608\">vulnerability is dangerous as it could potentially expose sensitive user<\/a> data and allow unauthorized access to device functions or user accounts.<br \/>\nThis vulnerability is particularly relevant to organizations and individuals who use the affected <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8342-authentication-bypass-vulnerability-in-woocommerce-otp-login-with-phone-number-otp-verification-plugin\/\"  data-wpil-monitor-id=\"76686\">D-Link VoIP phone<\/a>. In the wrong hands, this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28389-critical-security-vulnerability-in-openc3-cosmos-v6-0-0-due-to-weak-password-requirements\/\"  data-wpil-monitor-id=\"61607\">vulnerability can lead to serious security<\/a> breaches, including system compromise and data leakage. Thus, it is crucial to understand the nature of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49261-high-impact-remote-file-inclusion-vulnerability-in-themebay-s-diza\/\"  data-wpil-monitor-id=\"63787\">vulnerability and take appropriate measures to mitigate its impact<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-45784<br \/>\nSeverity: Critical (9.8 CVSS Score)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49181-unauthorized-api-endpoint-access-leading-to-denial-of-service-and-data-leakage\/\"  data-wpil-monitor-id=\"61716\">Unauthorized access<\/a> to device functions or user accounts, potential system compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-935787916\" 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>D-Link DPH-400S\/SE VoIP Phone | v1.01<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>An attacker with access to the firmware image can extract the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28388-hardcoded-credentials-vulnerability-in-openc3-cosmos-v6-0-0\/\"  data-wpil-monitor-id=\"61466\">hardcoded credentials<\/a> using static analysis tools such as strings or xxd. These tools can scan the firmware binary to identify and extract strings that resemble <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-35451-unchangeable-hard-coded-credentials-in-ptzoptics-cameras-expose-users-to-data-leakage\/\"  data-wpil-monitor-id=\"88219\">user credentials<\/a>. Once the attacker has these credentials, they can potentially gain unauthorized access to device functions or <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-34509-hardcoded-user-account-in-sitecore-xm-and-xp-enabling-unauthenticated-remote-access\/\"  data-wpil-monitor-id=\"62767\">user accounts<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-425568097\" 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>Given below is a<br \/>\n<strong>conceptual<\/strong><br \/>\n example using the `strings` command in Linux to extract the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54418-codeigniter-command-injection-vulnerability-in-image-processing\/\"  data-wpil-monitor-id=\"71101\">hardcoded credentials<\/a> from the firmware image:<\/p>\n<pre><code class=\"\" data-line=\"\">$ strings firmware_image.bin | grep PROVIS_USER_PASSWORD<\/code><\/pre>\n<p>This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52904-command-execution-vulnerability-in-file-browser-version-2-32-0\/\"  data-wpil-monitor-id=\"92242\">command scans the binary file<\/a> firmware_image.bin and searches for the string &#8220;PROVIS_USER_PASSWORD. If the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52159-hardcoded-credentials-compromise-security-in-ppress-0-0-9\/\"  data-wpil-monitor-id=\"90641\">hardcoded credentials<\/a> are present, this command will output them to the console.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3319-an-authentication-bypass-vulnerability-in-ibm-spectrum-protect-server\/\"  data-wpil-monitor-id=\"64406\">protect against this vulnerability<\/a>, users of the affected D-Link VoIP Phone should apply the vendor&#8217;s patch as soon as possible. If a patch is not available or cannot be applied immediately, a web application firewall (WAF) or an intrusion detection system (IDS) can be used as a temporary measure to detect and block exploitation attempts. Furthermore, organizations should follow best practices for firmware security, including regularly updating firmware and minimizing the use of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45813-critical-hardcoded-credential-vulnerability-in-enensys-ipguard-v2-2-10-0\/\"  data-wpil-monitor-id=\"91902\">hardcoded credentials<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The vulnerability in focus, CVE-2025-45784, is a critical security flaw found in D-Link DPH-400S\/SE VoIP Phone v1.01. The device contains hardcoded provisioning variables, which include sensitive user credentials like PROVIS_USER_PASSWORD. This vulnerability is dangerous as it could potentially expose sensitive user data and allow unauthorized access to device functions or user accounts. This vulnerability [&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":[88],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-55082","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-linux"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55082","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=55082"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55082\/revisions"}],"predecessor-version":[{"id":85456,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55082\/revisions\/85456"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=55082"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=55082"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=55082"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=55082"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=55082"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=55082"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=55082"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=55082"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=55082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}