{"id":74005,"date":"2025-09-10T20:37:10","date_gmt":"2025-09-10T20:37:10","guid":{"rendered":""},"modified":"2025-09-27T04:26:10","modified_gmt":"2025-09-27T10:26:10","slug":"cve-2025-36891-high-risk-elevation-of-privilege-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-36891-high-risk-elevation-of-privilege-vulnerability\/","title":{"rendered":"<strong>CVE-2025-36891: High Risk Elevation of Privilege Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2025-36891 vulnerability is an elevation of privilege exploit that poses a significant threat to systems and data integrity. It is a critical issue that affects a wide range of products, potentially leading to a complete compromise of the system or a severe data leakage. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24775-high-severity-unrestricted-file-upload-vulnerability-in-made-i-t-forms\/\"  data-wpil-monitor-id=\"83091\">severity of this vulnerability<\/a>, coupled with its potential for widespread impact, makes it a matter of utmost concern for cybersecurity teams worldwide. Understanding this vulnerability, its potential effects, and how it can be mitigated is essential for all organizations and individuals that may be affected.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-36891<br \/>\nSeverity: High (8.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9791-critical-vulnerability-in-tenda-ac20-16-03-08-05-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"85016\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2695352096\" 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 1.0 &#8211; 2.5<br \/>\nProduct B | Version 3.0 &#8211; 4.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-36891 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-20680-escalation-of-privilege-vulnerability-in-bluetooth-driver\/\"  data-wpil-monitor-id=\"81562\">vulnerability allows an attacker to elevate their privileges<\/a> on the affected system. This is achieved by exploiting a flaw in the system&#8217;s security mechanisms that <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8284-unauthenticated-access-and-control-in-packet-power-monitoring-and-control-web-interface\/\"  data-wpil-monitor-id=\"81648\">control access<\/a> rights. An attacker with network <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7051-unauthorized-access-and-manipulation-of-syslog-configuration-in-n-central\/\"  data-wpil-monitor-id=\"84628\">access can craft a malicious request that manipulates<\/a> the system into granting them elevated privileges. Once the privileges are elevated, the attacker has the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0610-csrf-vulnerability-in-akinsoft-qr-menu-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"85204\">potential to compromise the system<\/a> completely or leak sensitive data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2754690732\" 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 vulnerability might be exploited. Note that this is a simplified mock-up to illustrate the method of attack and not an actual exploit code.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/vulnerable\/endpoint HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;malicious_payload&quot;: &quot;elevate_privilege=true&quot; }<\/code><\/pre>\n<p>In this example, the attacker sends a POST request to a vulnerable endpoint with a JSON payload that instructs the system to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-9062-local-privilege-escalation-vulnerability-in-archify-application\/\"  data-wpil-monitor-id=\"81563\">elevate<\/a> the attacker&#8217;s privileges. Once the system processes the malicious request, the attacker&#8217;s privileges are elevated, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-45134-critical-vulnerability-in-mahara-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"82950\">potentially leading to a full system<\/a> compromise or data leakage.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The best way to mitigate the CVE-2025-36891 vulnerability is by applying the vendor-supplied patch as soon as it becomes available. Until then, users can implement temporary mitigation measures such as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31100-unrestricted-file-upload-leads-to-web-shell-deployment-in-mojoomla-school-management\/\"  data-wpil-monitor-id=\"84707\">deploying a Web<\/a> Application Firewall (WAF) or an Intrusion Detection System (IDS). These can help detect and block exploit attempts, but they are not a substitute for patching the vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2025-36891 vulnerability is an elevation of privilege exploit that poses a significant threat to systems and data integrity. It is a critical issue that affects a wide range of products, potentially leading to a complete compromise of the system or a severe data leakage. The severity of this vulnerability, coupled with its potential [&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-74005","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\/74005","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=74005"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/74005\/revisions"}],"predecessor-version":[{"id":77993,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/74005\/revisions\/77993"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=74005"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=74005"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=74005"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=74005"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=74005"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=74005"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=74005"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=74005"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=74005"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}