{"id":59658,"date":"2025-07-26T13:23:10","date_gmt":"2025-07-26T13:23:10","guid":{"rendered":""},"modified":"2025-10-03T12:32:46","modified_gmt":"2025-10-03T18:32:46","slug":"cve-2025-7914-critical-buffer-overflow-vulnerability-in-tenda-ac6-15-03-06-50","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-7914-critical-buffer-overflow-vulnerability-in-tenda-ac6-15-03-06-50\/","title":{"rendered":"<strong>CVE-2025-7914: Critical Buffer Overflow Vulnerability in Tenda AC6 15.03.06.50<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The security landscape is constantly evolving, with new vulnerabilities being discovered and exploited every day. One such vulnerability, CVE-2025-7914, which has been identified as a critical risk, affects Tenda AC6 15.03.06.50. This <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=\"80389\">vulnerability is related to the function<\/a> setparentcontrolinfo of the httpd component in the mentioned product version. If exploited, it could lead to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7596-critical-remote-buffer-overflow-vulnerability-in-tenda-fh1205\/\"  data-wpil-monitor-id=\"66400\">buffer overflow<\/a>, potentially compromising the system and\/or leading to data leakage.<br \/>\nBeing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49416-critical-php-remote-file-inclusion-vulnerability-in-fastw3b-llc-fw-gallery\/\"  data-wpil-monitor-id=\"66102\">critical vulnerability<\/a>, CVE-2025-7914 poses a serious threat to users and organizations using the affected version of Tenda AC6. Its <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7419-critical-vulnerability-discovered-in-tenda-o3v2-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"69067\">potential to compromise systems<\/a> and leak data makes it a significant concern for anyone operating within this digital environment. Therefore, understanding this vulnerability, its impact, and how to mitigate it is crucial for maintaining <a href=\"https:\/\/www.ameeba.com\/blog\/introducing-the-ameeba-cybersecurity-group-chat\/\"  data-wpil-monitor-id=\"88459\">cybersecurity<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-7914<br \/>\nSeverity: Critical, 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-2025-46334-critical-vulnerability-in-git-gui-enables-potential-system-compromise\/\"  data-wpil-monitor-id=\"70723\">Potential system<\/a> compromise and\/or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-482678346\" 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-2025-50258-buffer-overflow-vulnerability-in-tenda-ac6-router\/\"  data-wpil-monitor-id=\"69070\">Tenda AC6<\/a> | 15.03.06.50<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability occurs in the function setparentcontrolinfo of the httpd component of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50263-buffer-overflow-vulnerability-in-tenda-ac6-routers\/\"  data-wpil-monitor-id=\"69066\">Tenda AC6<\/a>. Attackers can exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50105-critical-vulnerability-in-oracle-universal-work-queue-allowing-unauthorized-data-access\/\"  data-wpil-monitor-id=\"68674\">vulnerability by sending specially crafted data<\/a> to the setparentcontrolinfo function. This unexpected input can cause the function to <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=\"66792\">overflow its buffer<\/a>, a section of memory allocated for temporarily storing data. When this overflow occurs, an attacker can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54451-code-injection-vulnerability-in-samsung-electronics-magicinfo-9-server\/\"  data-wpil-monitor-id=\"68485\">inject malicious code<\/a>, which the system then executes. The execution of this code can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7793-critical-vulnerability-in-tenda-fh451-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"68484\">lead to system<\/a> compromise and data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3624509572\" 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 representation of how an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42959-unauthenticated-replay-attack-exploiting-hmac-reuse\/\"  data-wpil-monitor-id=\"76362\">attacker might exploit<\/a> this vulnerability:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/setparentcontrolinfo HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;unexpected_data&quot;: &quot;AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...&quot; }<\/code><\/pre>\n<p>In the above example, `&#8221;unexpected_data&#8221;` is a long string that exceeds the buffer&#8217;s capacity, causing it to overflow and potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50067-critical-vulnerability-in-oracle-application-express-allowing-system-takeover\/\"  data-wpil-monitor-id=\"68486\">allowing an attacker to inject malicious code into the system<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The primary mitigation strategy for CVE-2025-7914 is to apply the patch provided by the vendor, which rectifies the vulnerability. In situations where the patch cannot be immediately applied, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can offer a temporary mitigation strategy by detecting and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8059-critical-privilege-escalation-vulnerability-in-b-blocks-wordpress-plugin\/\"  data-wpil-monitor-id=\"76361\">blocking attempts to exploit this vulnerability<\/a>. However, these should only be considered short-term solutions, and the vendor&#8217;s patch should be applied as soon as feasible to ensure the highest level of protection.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The security landscape is constantly evolving, with new vulnerabilities being discovered and exploited every day. One such vulnerability, CVE-2025-7914, which has been identified as a critical risk, affects Tenda AC6 15.03.06.50. This vulnerability is related to the function setparentcontrolinfo of the httpd component in the mentioned product version. If exploited, it could lead 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":[103],"product":[104],"attack_vector":[86],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59658","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apache","product-apache-httpd","attack_vector-buffer-overflow"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59658","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=59658"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59658\/revisions"}],"predecessor-version":[{"id":81268,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59658\/revisions\/81268"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59658"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59658"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59658"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59658"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59658"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59658"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}