{"id":71530,"date":"2025-09-05T08:52:29","date_gmt":"2025-09-05T08:52:29","guid":{"rendered":""},"modified":"2025-09-12T02:15:03","modified_gmt":"2025-09-12T08:15:03","slug":"cve-2025-22406-local-privilege-escalation-due-to-use-after-free-in-bnep-utils-cc","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-22406-local-privilege-escalation-due-to-use-after-free-in-bnep-utils-cc\/","title":{"rendered":"<strong>CVE-2025-22406: Local Privilege Escalation Due to Use After Free in bnep_utils.cc<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is filled with numerous vulnerabilities and threats that can compromise the security of systems worldwide. One such vulnerability has been identified in the bnep_utils.cc component, which is widely used in various software applications. This vulnerability, identified as CVE-2025-22406, can lead to a potential code execution due to a use after free error, subsequently allowing for local <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49759-sql-injection-vulnerability-in-sql-server-potentially-enabling-privilege-escalation-and-data-leakage\/\"  data-wpil-monitor-id=\"79159\">privilege escalation<\/a>.<br \/>\nThe gravity of this issue can&#8217;t be overstated as it does not require any additional execution <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31279-critical-permission-issue-allowing-user-fingerprinting-in-macos-and-ipados\/\"  data-wpil-monitor-id=\"81912\">privileges<\/a> nor user interaction for exploitation. This makes it a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41525-critical-sql-injection-vulnerability-in-hospital-management-system-v4\/\"  data-wpil-monitor-id=\"79302\">critical threat to any system<\/a> or application that utilizes the affected component. It is crucial for IT administrators and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53819-nix-package-manager-security-vulnerability-in-macos\/\"  data-wpil-monitor-id=\"80892\">security professionals to understand the implications of this vulnerability<\/a>, its mitigation, and how to protect their systems against it.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-22406<br \/>\nSeverity: High (CVSS: 8.4)<br \/>\nAttack Vector: Local<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Possible <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54788-sql-injection-vulnerability-in-suitecrm-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"80237\">system compromise or data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2298573209\" 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>[Insert product] | [Insert affected version]<br \/>\n[Insert product] | [Insert affected version]<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49661-untrusted-pointer-dereference-vulnerability-in-windows-ancillary-function-driver-for-winsock\/\"  data-wpil-monitor-id=\"80426\">vulnerability lies in the bnepu_check_send_packet function<\/a> of the bnep_utils.cc component. This function contains a use after free error which, when exploited, allows an attacker to execute arbitrary code, leading to local <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55282-privilege-escalation-vulnerability-in-aiven-database-migration-tool\/\"  data-wpil-monitor-id=\"79331\">escalation of privilege<\/a>. This can result in <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55731-sql-injection-vulnerability-in-frappe-framework-leading-to-potential-data-leakage\/\"  data-wpil-monitor-id=\"79285\">potential system compromise or data<\/a> leakage without the need for any additional execution privileges or user interaction.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3876020914\" 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>While the exact exploitation method will vary depending on the specific implementation of the vulnerable component, a conceptual example would involve sending a malicious payload to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41528-sql-injection-vulnerabilities-in-hospital-management-system-v4\/\"  data-wpil-monitor-id=\"79222\">vulnerable endpoint on the target system<\/a>. A conceptual example of this would look something like:<\/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;...&quot; }<\/code><\/pre>\n<p>In this example, the &#8220;malicious_payload&#8221; would be crafted to exploit the use after free error in the bnepu_check_send_packet function, allowing for arbitrary code execution and local <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31713-a-potential-privilege-escalation-vulnerability-due-to-command-injection\/\"  data-wpil-monitor-id=\"79460\">privilege escalation<\/a>.<\/p>\n<p><strong>Recommended Mitigation<\/strong><\/p>\n<p>To reduce the risk of exploitation, it is recommended to apply any patches provided by the vendor as soon as they become available. In the meantime, or if such a patch is not yet available, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation, providing an extra layer of defense against potential attacks.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is filled with numerous vulnerabilities and threats that can compromise the security of systems worldwide. One such vulnerability has been identified in the bnep_utils.cc component, which is widely used in various software applications. This vulnerability, identified as CVE-2025-22406, can lead to a potential code execution due to a use after free [&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":[76,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-71530","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-privilege-escalation","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/71530","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=71530"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/71530\/revisions"}],"predecessor-version":[{"id":74373,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/71530\/revisions\/74373"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=71530"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=71530"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=71530"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=71530"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=71530"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=71530"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=71530"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=71530"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=71530"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}