{"id":56253,"date":"2025-07-01T04:48:01","date_gmt":"2025-07-01T04:48:01","guid":{"rendered":""},"modified":"2025-07-05T11:24:53","modified_gmt":"2025-07-05T17:24:53","slug":"cve-2025-6568-critical-buffer-overflow-vulnerability-in-totolink-ex1200t","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6568-critical-buffer-overflow-vulnerability-in-totolink-ex1200t\/","title":{"rendered":"<strong>CVE-2025-6568: Critical Buffer Overflow Vulnerability in TOTOLINK EX1200T<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is witnessing yet another critical vulnerability, this time in the TOTOLINK EX1200T 4.1.2cu.5232_B20210713. Known as CVE-2025-6568, this flaw poses significant risks to users and systems using the affected device. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49454-critical-php-remote-file-inclusion-vulnerability-in-loftocean-tinysalt\/\"  data-wpil-monitor-id=\"62720\">vulnerability primarily affects an unknown function of the file<\/a> \/boafrm\/formIpv6Setup of the HTTP POST Request Handler component.<br \/>\nGiven the nature of the flaw, it&#8217;s importance cannot be overstated. The exploit has been made public, and it is possible to launch attacks remotely, emphasizing the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49216-critical-authentication-bypass-vulnerability-in-trend-micro-endpoint-encryption-policyserver\/\"  data-wpil-monitor-id=\"62678\">criticality and urgency of addressing this vulnerability<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-6568<br \/>\nSeverity: Critical &#8211; CVSS Score 8.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32878-critical-vulnerability-in-coros-pace-3-devices-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"63203\">Potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3584954160\" 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-2025-6336-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-router\/\"  data-wpil-monitor-id=\"62918\">TOTOLINK | EX1200T<\/a> 4.1.2cu.5232_B20210713<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49847-buffer-overflow-vulnerability-in-llama-cpp-leading-to-potential-code-execution\/\"  data-wpil-monitor-id=\"62588\">buffer overflow vulnerability<\/a> in the HTTP POST Request Handler component of the TOTOLINK EX1200T. Specifically, an unknown function of the file \/boafrm\/formIpv6Setup is affected. In this case, the manipulation of the &#8216;submit-url&#8217; argument can trigger a buffer overflow, providing the attacker with the opportunity to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49217-critical-pre-authentication-remote-code-execution-vulnerability-in-trend-micro-endpoint-encryption-policyserver\/\"  data-wpil-monitor-id=\"62703\">execute arbitrary code<\/a> or disrupt the normal operation of the system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3117314804\" 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>The following is a conceptual example of how an HTTP POST request might be <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-47297-dangerous-settings-manipulation-vulnerability-in-ncr-terminal-handler-v1-5-1\/\"  data-wpil-monitor-id=\"63948\">manipulated to exploit this vulnerability<\/a>. Note that this is a simplified representation and actual exploit code would be much more complex.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/boafrm\/formIpv6Setup HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nsubmit-url=...&amp;overly_long_string_that_causes_buffer_overflow<\/code><\/pre>\n<p>Here, the overly long string that causes the buffer <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6150-critical-buffer-overflow-vulnerability-in-totolink-x15\/\"  data-wpil-monitor-id=\"62709\">overflow<\/a> is the malicious payload that an attacker might use to exploit the vulnerability. Any system using an affected version of the product and receiving this malformed request could potentially be compromised.<\/p>\n<p><strong>Recommended Mitigation<\/strong><\/p>\n<p>Given the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6191-high-severity-integer-overflow-vulnerability-in-google-chrome-s-v8-engine\/\"  data-wpil-monitor-id=\"62990\">severity and potential impact of this vulnerability<\/a>, it is recommended to apply the vendor&#8217;s patch as soon as it becomes available. If a patch is not yet available or if there are constraints in applying it immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation solution. These can help to detect and prevent potentially malicious activities. However, these are not long-term solutions and can not replace the necessity of patching the vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is witnessing yet another critical vulnerability, this time in the TOTOLINK EX1200T 4.1.2cu.5232_B20210713. Known as CVE-2025-6568, this flaw poses significant risks to users and systems using the affected device. This vulnerability primarily affects an unknown function of the file \/boafrm\/formIpv6Setup of the HTTP POST Request Handler component. Given the nature of [&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-56253","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\/56253","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=56253"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/56253\/revisions"}],"predecessor-version":[{"id":57499,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/56253\/revisions\/57499"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=56253"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=56253"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=56253"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=56253"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=56253"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=56253"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=56253"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=56253"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=56253"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}