{"id":51999,"date":"2025-06-14T22:59:22","date_gmt":"2025-06-14T22:59:22","guid":{"rendered":""},"modified":"2025-10-22T19:05:09","modified_gmt":"2025-10-23T01:05:09","slug":"cve-2025-5862-critical-buffer-overflow-vulnerability-in-tenda-ac7-15-03-06-44","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5862-critical-buffer-overflow-vulnerability-in-tenda-ac7-15-03-06-44\/","title":{"rendered":"<strong>CVE-2025-5862: Critical Buffer Overflow Vulnerability in Tenda AC7 15.03.06.44<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is constantly evolving, with new vulnerabilities being discovered and exploited on a regular basis. One such vulnerability, CVE-2025-5862, is a critical issue found within Tenda AC7 15.03.06.44. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4578-sql-injection-vulnerability-in-file-provider-wordpress-plugin\/\"  data-wpil-monitor-id=\"58825\">vulnerability affects the function formSetPPTPUserList of the file<\/a> \/goform\/setPptpUserList. This vulnerability stands out due to its <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-45566-critical-memory-corruption-vulnerability-resulting-in-potential-system-compromise\/\"  data-wpil-monitor-id=\"58260\">critical<\/a> severity and the potential it possesses for system compromise and data leakage.<br \/>\nAs the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49113-critical-vulnerability-in-roundcube-webmail-allows-remote-code-execution\/\"  data-wpil-monitor-id=\"58332\">vulnerability can be exploited remotely<\/a>, it poses a significant threat to the integrity of systems running on the affected Tenda AC7 version. It is vital for users and administrators to understand this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23244-nvidia-gpu-display-driver-linux-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"58283\">vulnerability and take appropriate steps to mitigate its potential<\/a> impact.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5862<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-2024-49835-memory-corruption-vulnerability-leading-to-potential-data-leakage-or-system-compromise\/\"  data-wpil-monitor-id=\"58383\">Potential system compromise or data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2162112723\" 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-2025-5861-critical-buffer-overflow-vulnerability-in-tenda-ac7-15-03-06-44\/\"  data-wpil-monitor-id=\"60160\">Tenda AC7<\/a> | 15.03.06.44<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32105-buffer-overflow-vulnerability-in-sangoma-img2020-http-server-leading-to-remote-code-execution\/\"  data-wpil-monitor-id=\"58525\">vulnerability arises from a buffer overflow<\/a> condition in the formSetPPTPUserList function of the \/goform\/setPptpUserList file. Buffer overflow is a common type of security <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4125-out-of-bounds-write-vulnerability-in-delta-electronics-ispsoft\/\"  data-wpil-monitor-id=\"58328\">vulnerability that is caused by writing<\/a> data to a buffer and exceeding that buffer&#8217;s boundary and overwriting adjacent memory. This can result in erratic program behavior, including memory access errors, incorrect results, program termination, or a breach of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7093-critical-vulnerability-in-belkin-f9k1122-1-00-33-impacting-system-security-and-data-integrity\/\"  data-wpil-monitor-id=\"91114\">system security<\/a>.<br \/>\nIn the case of CVE-2025-5862, the manipulation of the argument list in the affected function leads to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5503-critical-remote-buffer-overflow-vulnerability-in-totolink-x15\/\"  data-wpil-monitor-id=\"58649\">buffer overflow<\/a>. With a carefully crafted payload, an attacker can trigger the overflow and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32106-unauthenticated-remote-code-execution-in-audiocodes-mediapack-mp-11x\/\"  data-wpil-monitor-id=\"58579\">execute arbitrary code<\/a> on the system. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5600-critical-vulnerability-in-totolink-ex1200t-opens-gateway-to-remote-attacks\/\"  data-wpil-monitor-id=\"59070\">vulnerability can be exploited remotely<\/a>, without user interaction or privileges.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-678241194\" 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>Below is a hypothetical example of how this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5527-critical-vulnerability-exposing-potential-system-compromise-in-tenda-rx3\/\"  data-wpil-monitor-id=\"58684\">vulnerability could potentially<\/a> be exploited. This is a conceptual demonstration only and does not represent actual exploit code.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/setPptpUserList HTTP\/1.1\nHost: affected-device-ip\nContent-Type: application\/x-www-form-urlencoded\nargument_list=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...[continue until buffer overflow]<\/code><\/pre>\n<p>In this example, the `argument_list` parameter is filled with an excessive amount of &#8216;A&#8217; characters, causing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23103-buffer-overflow-vulnerability-in-samsung-exynos-mobile-processors\/\"  data-wpil-monitor-id=\"58779\">buffer overflow<\/a>. In an actual attack scenario, the &#8216;A&#8217; characters would be replaced with a carefully crafted payload designed to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45854-arbitrary-code-execution-vulnerability-in-jehc-bpm-2-0-1\/\"  data-wpil-monitor-id=\"58661\">execute arbitrary code<\/a> on the system.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is constantly evolving, with new vulnerabilities being discovered and exploited on a regular basis. One such vulnerability, CVE-2025-5862, is a critical issue found within Tenda AC7 15.03.06.44. The vulnerability affects the function formSetPPTPUserList of the file \/goform\/setPptpUserList. This vulnerability stands out due to its critical severity and the potential it possesses [&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-51999","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\/51999","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=51999"}],"version-history":[{"count":15,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51999\/revisions"}],"predecessor-version":[{"id":84133,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51999\/revisions\/84133"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=51999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=51999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=51999"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=51999"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=51999"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=51999"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=51999"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=51999"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=51999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}