{"id":57258,"date":"2025-07-04T22:27:39","date_gmt":"2025-07-04T22:27:39","guid":{"rendered":""},"modified":"2025-10-05T05:57:24","modified_gmt":"2025-10-05T11:57:24","slug":"cve-2025-6824-critical-buffer-overflow-vulnerability-in-totolink-x15","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6824-critical-buffer-overflow-vulnerability-in-totolink-x15\/","title":{"rendered":"<strong>CVE-2025-6824: Critical Buffer Overflow Vulnerability in TOTOLINK X15<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability has been discovered in TOTOLINK X15 up to version 1.0.0-B20230714.1105, classified under the identifier CVE-2025-6824. This vulnerability is of significant concern as it affects an unknown function of the file \/boafrm\/formParentControl of the HTTP POST Request Handler component. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49253-high-severity-php-remote-file-inclusion-vulnerability-in-thembay-lasa\/\"  data-wpil-monitor-id=\"63712\">vulnerability&#8217;s severity<\/a> lies in its capacity to allow a potential attacker to manipulate the argument &#8216;submit-url&#8217;, leading to a buffer overflow, and can be launched remotely.<br \/>\nThe real-world implications of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32281-high-severity-missing-authorization-vulnerability-in-focuxtheme-wpkit-for-elementor\/\"  data-wpil-monitor-id=\"65307\">vulnerability are severe<\/a>. It allows unauthorized individuals the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5866-critical-vulnerability-in-rt-thread-5-1-0-potentially-leading-to-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"63810\">potential to compromise systems or lead to data<\/a> leakage. IT administrators managing <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6400-critical-buffer-overflow-vulnerability-in-totolink-n300rh\/\"  data-wpil-monitor-id=\"63723\">TOTOLINK X15 devices should be aware of this vulnerability<\/a> and take immediate action to mitigate potential risks.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-6824<br \/>\nSeverity: Critical (CVSS score of 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5868-critical-vulnerability-in-rt-thread-leading-to-system-compromise-and-data-leakage\/\"  data-wpil-monitor-id=\"63865\">system compromise or data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1208978416\" 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-2025-8243-critical-buffer-overflow-vulnerability-in-totolink-x15-http-post-request-handler\/\"  data-wpil-monitor-id=\"66771\">TOTOLINK X15<\/a> | Up to 1.0.0-B20230714.1105<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability stems from the improper handling of HTTP POST requests by the affected <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6402-critical-buffer-overflow-vulnerability-in-totolink-x15\/\"  data-wpil-monitor-id=\"63724\">TOTOLINK<\/a> X15 devices. Specifically, the device does not adequately <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40737-critical-file-path-validation-vulnerability-in-sinec-nms\/\"  data-wpil-monitor-id=\"66637\">validate or sanitize the &#8216;submit-url&#8217; argument within the \/boafrm\/formParentControl file<\/a>. As such, an attacker can send a specially crafted HTTP POST request that contains an overly long &#8216;submit-url&#8217; argument, leading to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6487-critical-buffer-overflow-vulnerability-in-totolink-a3002r\/\"  data-wpil-monitor-id=\"63720\">buffer overflow<\/a>. This overflow condition allows an attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-47029-critical-remote-code-execution-vulnerability-in-ncr-terminal-handler\/\"  data-wpil-monitor-id=\"63740\">execute arbitrary code<\/a> or disrupt the normal operation of the device, potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1407337958\" 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>An attacker could exploit the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48921-cross-site-request-forgery-vulnerability-in-drupal-open-social\/\"  data-wpil-monitor-id=\"65019\">vulnerability by sending a malicious HTTP POST request<\/a> similar to the following:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/boafrm\/formParentControl HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nsubmit-url=[MALICIOUS_PAYLOAD]<\/code><\/pre>\n<p>In the above example, [MALICIOUS_PAYLOAD] would be replaced with a string that is designed to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6511-critical-stack-based-buffer-overflow-in-netgear-ex6150-1-0-0-46-1-0-76\/\"  data-wpil-monitor-id=\"63722\">overflow the buffer<\/a> when processed by the target device.<br \/>\nPlease note that this is a simplified and conceptual example. Actual exploitation involves more complex and specific <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-41148-serious-code-injection-vulnerability-in-robot-operating-system-ros\/\"  data-wpil-monitor-id=\"88947\">code depending on the target system&#8217;s<\/a> architecture and characteristics.<\/p>\n<p><strong>Recommendations for Mitigation<\/strong><\/p>\n<p>It is highly recommended that administrators apply the latest patches provided by the vendor. If this is not immediately possible, implementing a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can help to mitigate the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52709-high-risk-deserialization-of-untrusted-data-vulnerability-in-everest-forms\/\"  data-wpil-monitor-id=\"65251\">risk by detecting and preventing attempts to exploit this vulnerability<\/a>. It is also advised to regularly <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6791-sql-injection-vulnerability-in-centreon-web-monitoring-event-logs-module\/\"  data-wpil-monitor-id=\"84116\">monitor system logs<\/a> for any unusual activity.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability has been discovered in TOTOLINK X15 up to version 1.0.0-B20230714.1105, classified under the identifier CVE-2025-6824. This vulnerability is of significant concern as it affects an unknown function of the file \/boafrm\/formParentControl of the HTTP POST Request Handler component. The vulnerability&#8217;s severity lies in its capacity to allow a potential attacker to [&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":[86],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-57258","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/57258","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=57258"}],"version-history":[{"count":15,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/57258\/revisions"}],"predecessor-version":[{"id":81768,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/57258\/revisions\/81768"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=57258"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=57258"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=57258"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=57258"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=57258"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=57258"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=57258"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=57258"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=57258"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}