{"id":47782,"date":"2025-06-02T08:51:52","date_gmt":"2025-06-02T08:51:52","guid":{"rendered":""},"modified":"2025-09-28T15:47:06","modified_gmt":"2025-09-28T21:47:06","slug":"cve-2025-41652-critical-authentication-bypass-vulnerability-in-multiple-devices","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-41652-critical-authentication-bypass-vulnerability-in-multiple-devices\/","title":{"rendered":"<strong>CVE-2025-41652: Critical Authentication Bypass Vulnerability in Multiple Devices<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability, identified as CVE-2025-41652, has been discovered in numerous devices that could potentially lead to system compromise or data leakage. This vulnerability stems from an underlying flaw in the device&#8217;s authorization mechanism, which in turn allows an unauthenticated remote attacker to bypass the authentication.<br \/>\nThis <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39495-high-critical-vulnerability-in-boldthemes-avantage-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"54204\">vulnerability is particularly significant due to its potential<\/a> impact on multiple devices, which could range from personal computing devices to servers, IoT devices, and other networked systems. Given its severity and widespread <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-7457-macos-authorization-model-exploit-leading-to-potential-mitm-attacks\/\"  data-wpil-monitor-id=\"79994\">potential for exploitation<\/a>, it is crucial for system administrators, network managers, and individual users to understand the nature of CVE-2025-41652 and take appropriate steps to mitigate its impact.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-41652<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-2024-0562-use-after-free-flaw-in-linux-kernel-potentially-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"53708\">System compromise or potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1210105734\" 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>Product A | Version 1.x to 2.x<br \/>\nProduct B | Version 3.x to 4.x<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>An unauthenticated <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-51360-remote-code-execution-vulnerability-in-hospital-management-system-in-php-v4-0\/\"  data-wpil-monitor-id=\"54360\">remote attacker can exploit this vulnerability<\/a> by either performing a brute-force attack to guess valid credentials or by using MD5 collision techniques to forge authentication hashes. The attacker does not require any <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-33117-privileged-user-vulnerability-in-ibm-qradar-siem\/\"  data-wpil-monitor-id=\"62976\">privileges and there is no need for user<\/a> interaction.<br \/>\nIn particular, the MD5 collision technique involves the attacker creating two different inputs that hash to the same MD5 hash, thus tricking the system into accepting a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24274-input-validation-issue-exploitable-via-malicious-app-on-macos\/\"  data-wpil-monitor-id=\"62977\">malicious input<\/a>. On the other hand, a brute-force attack involves the attacker trying all possible combinations of passwords until they find the correct one.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2075738604\" 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&#8217;s a conceptual example of a brute-force attack, which could be part of an HTTP <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46458-critical-cross-site-request-forgery-csrf-vulnerability-leading-to-sql-injection-in-occupancyplan\/\"  data-wpil-monitor-id=\"55455\">request to exploit the vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/login HTTP\/1.1\nHost: vulnerable-device.example.com\nContent-Type: application\/x-www-form-urlencoded\nusername=admin&amp;password=guess1<\/code><\/pre>\n<p>In this example, the attacker attempts to log in with the username <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-51543-admin-password-reset-vulnerability-in-cicool-builder-3-4-4\/\"  data-wpil-monitor-id=\"81773\">&#8216;admin&#8217; and a guessed password<\/a> &#8216;guess1. The attacker would <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58059-critical-vulnerability-in-valtimo-s-business-process-automation-platform\/\"  data-wpil-monitor-id=\"86227\">automate this process<\/a>, changing the &#8216;password&#8217; field with every request, until a valid credential pair is found.<\/p>\n<p><strong>Mitigation and Recommendations<\/strong><\/p>\n<p>To protect your <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31049-untrusted-data-deserialization-vulnerability-in-themeton-dash-exposes-systems-to-object-injection\/\"  data-wpil-monitor-id=\"53833\">system from this vulnerability<\/a>, the first and most effective line of defense is to apply the vendor&#8217;s patch for the affected versions of the affected products. In case the patch is not immediately available, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) could serve as a temporary mitigation strategy. These systems can help detect and block brute-force attacks or suspicious networking behavior that could be indicative of an attacker attempting to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45997-exploiting-file-upload-vulnerability-in-web-based-pharmacy-product-management-system\/\"  data-wpil-monitor-id=\"62978\">exploit this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability, identified as CVE-2025-41652, has been discovered in numerous devices that could potentially lead to system compromise or data leakage. This vulnerability stems from an underlying flaw in the device&#8217;s authorization mechanism, which in turn allows an unauthenticated remote attacker to bypass the authentication. This vulnerability is particularly significant due to its [&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],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-47782","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-authentication-bypass"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/47782","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=47782"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/47782\/revisions"}],"predecessor-version":[{"id":79023,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/47782\/revisions\/79023"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=47782"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=47782"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=47782"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=47782"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=47782"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=47782"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=47782"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=47782"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=47782"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}