{"id":51290,"date":"2025-06-13T22:48:45","date_gmt":"2025-06-13T22:48:45","guid":{"rendered":""},"modified":"2025-10-02T23:37:23","modified_gmt":"2025-10-03T05:37:23","slug":"cve-2025-5787-buffer-overflow-vulnerability-in-totolink-x15","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5787-buffer-overflow-vulnerability-in-totolink-x15\/","title":{"rendered":"CVE-2025-5787: Buffer Overflow Vulnerability in TOTOLINK X15<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

A critical vulnerability has been identified in TOTOLINK X15 routers, specifically version 1.0.0-B20230714.1105. This vulnerability particularly affects the HTTP POST request handler, and it has the potential to compromise the system or leak sensitive data. Given that TOTOLINK routers are widely used, the risk magnitude is significant and could affect many users and businesses worldwide. It’s crucial to address this vulnerability to protect user data<\/a> and maintain the integrity of networks.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-5787
\nSeverity: Critical, CVSS Score 8.8
\nAttack Vector: Network (HTTP POST Request<\/a> Handler)
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: System compromise and potential<\/a> data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

TOTOLINK X15<\/a> | 1.0.0-B20230714.1105<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability lies in the unknown functionality of the file<\/a> \/boafrm\/formWsc of the component HTTP POST Request Handler. It occurs when an argument, specifically ‘submit-url,’ is manipulated, causing a buffer overflow<\/a>. This overflow can potentially allow an attacker to execute arbitrary code<\/a> on the system or even cause a system crash. The exploit can be launched remotely and does not require user<\/a> interaction.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

An example of how the vulnerability might be exploited is shown below. This is a hypothetical HTTP POST request<\/a> that includes a malicious payload:<\/p>\n

POST \/boafrm\/formWsc HTTP\/1.1\nHost: vulnerable-router-ip\nContent-Type: application\/x-www-form-urlencoded\nsubmit-url= malicious_payload<\/code><\/pre>\n
In this example, the “submit-url” argument is manipulated with a malicious payload. This is where the buffer overflow occurs, leading to system compromise or potential data<\/a> leakage.<\/p>\n
Mitigation and Prevention<\/strong><\/p>\n
The immediate recommendation is to apply vendor patches as soon as they become available to close off this vulnerability<\/a>. As a temporary mitigation, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can help detect and prevent exploitation attempts. However, these measures are interim and do not substitute patching the vulnerability<\/a>. It is also recommended to limit access to the router’s management<\/a> interface to trusted networks and hosts only.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview A critical vulnerability has been identified in TOTOLINK X15 routers, specifically version 1.0.0-B20230714.1105. This vulnerability particularly affects the HTTP POST request handler, and it has the potential to compromise the system or leak sensitive data. Given that TOTOLINK routers are widely used, the risk magnitude is significant and could affect many users and businesses […]<\/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,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[86],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-51290","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t