{"id":71653,"date":"2025-09-05T17:56:00","date_gmt":"2025-09-05T17:56:00","guid":{"rendered":""},"modified":"2025-10-03T06:13:45","modified_gmt":"2025-10-03T12:13:45","slug":"cve-2025-9748-critical-buffer-overflow-vulnerability-in-tenda-ch22-1-0-0-1","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-9748-critical-buffer-overflow-vulnerability-in-tenda-ch22-1-0-0-1\/","title":{"rendered":"<strong>CVE-2025-9748: Critical Buffer Overflow Vulnerability in Tenda CH22 1.0.0.1<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The vulnerability identified as CVE-2025-9748 poses a significant threat to systems utilizing the Tenda CH22 1.0.0.1. The affected component is the httpd function fromIpsecitem situated in the file \/goform\/IPSECsave. This <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=\"79283\">vulnerability can lead<\/a> to a stack-based buffer overflow, thereby providing an attacker with the potential to compromise the system or leak data. This blog post aims to provide a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55244-azure-bot-service-elevation-of-privilege-vulnerability-a-comprehensive-analysis\/\"  data-wpil-monitor-id=\"86974\">comprehensive understanding of the vulnerability<\/a>, its implications, and the appropriate mitigation strategies.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-9748<br \/>\nSeverity: High (8.8 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-42957-critical-backdoor-vulnerability-in-sap-s-4hana-exposes-systems-to-potential-compromise\/\"  data-wpil-monitor-id=\"79588\">Potential for system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2790536435\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9812-critical-buffer-overflow-vulnerability-in-tenda-ch22-1-0-0-1\/\"  data-wpil-monitor-id=\"85485\">Tenda CH22<\/a> | 1.0.0.1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit leverages a <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=\"80369\">vulnerability in the fromIpsecitem function<\/a> of the httpd component in Tenda CH22 1.0.0.1. By manipulating the argument &#8216;ipsecno&#8217;, an attacker can trigger a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47134-heap-based-buffer-overflow-vulnerability-in-indesign-desktop\/\"  data-wpil-monitor-id=\"79320\">buffer overflow<\/a> condition. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50162-heap-based-buffer-overflow-vulnerability-in-windows-rras\/\"  data-wpil-monitor-id=\"79324\">overflow<\/a> occurs because the software writes more data to the buffer than it can hold. This additional data can overwrite adjacent memory locations, potentially leading to erratic software behavior, crashes, or, in worst-case scenarios, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54135-critical-remote-code-execution-vulnerability-in-cursor-code-editor\/\"  data-wpil-monitor-id=\"79570\">execution of arbitrary code<\/a> by the attacker.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-279598775\" 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 might exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52797-critical-cross-site-request-forgery-csrf-vulnerability-in-josepsitjar-storymap\/\"  data-wpil-monitor-id=\"79340\">vulnerability by sending a specially crafted HTTP POST request<\/a> to the vulnerable endpoint as shown below:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/IPSECsave HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;ipsecno&quot;: &quot;A&quot;*1024 }<\/code><\/pre>\n<p>In this conceptual example, the &#8220;ipsecno&#8221; argument is overloaded with a large number of &#8220;A&#8221; characters (1024 in this case), which might be enough to overflow the buffer and potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41525-critical-sql-injection-vulnerability-in-hospital-management-system-v4\/\"  data-wpil-monitor-id=\"79297\">inject malicious code into the system<\/a>.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The recommended mitigation for this vulnerability is to apply the vendor-released patch. If this is not immediately possible, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by detecting and blocking <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46414-unlimited-pin-attempts-vulnerability-in-api\/\"  data-wpil-monitor-id=\"81205\">attempts to exploit this vulnerability<\/a>. Regularly updating and patching software is a best practice in cybersecurity and can prevent many such <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7028-exploiting-the-software-smi-handler-vulnerability\/\"  data-wpil-monitor-id=\"88173\">vulnerabilities<\/a> from being exploited.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The vulnerability identified as CVE-2025-9748 poses a significant threat to systems utilizing the Tenda CH22 1.0.0.1. The affected component is the httpd function fromIpsecitem situated in the file \/goform\/IPSECsave. This vulnerability can lead to a stack-based buffer overflow, thereby providing an attacker with the potential to compromise the system or leak data. This blog [&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-71653","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\/71653","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=71653"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/71653\/revisions"}],"predecessor-version":[{"id":80988,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/71653\/revisions\/80988"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=71653"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=71653"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=71653"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=71653"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=71653"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=71653"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=71653"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=71653"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=71653"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}