{"id":54066,"date":"2025-06-22T13:16:40","date_gmt":"2025-06-22T13:16:40","guid":{"rendered":""},"modified":"2025-10-03T12:32:26","modified_gmt":"2025-10-03T18:32:26","slug":"cve-2025-6144-critical-buffer-overflow-vulnerability-in-totolink-ex1200t","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6144-critical-buffer-overflow-vulnerability-in-totolink-ex1200t\/","title":{"rendered":"CVE-2025-6144: Critical Buffer Overflow Vulnerability in TOTOLINK EX1200T<\/strong>"},"content":{"rendered":"

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

A critical vulnerability, identified as CVE-2025-6144, has been discovered in TOTOLINK EX1200T version 4.1.2cu.5232_B20210713. This vulnerability presents a significant risk to any organization or individual using the affected device, as it can be exploited remotely, providing attackers with the potential to compromise systems and leak sensitive data. The vulnerability lies in the HTTP POST Request Handler, specifically within the \/boafrm\/formSysCmd file which can be manipulated to trigger a buffer overflow<\/a> condition. Given the severity of this vulnerability<\/a>, it demands immediate attention and remediation.<\/p>\n

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

CVE ID: CVE-2025-6144
\nSeverity: Critical (CVSS 8.8)
\nAttack Vector: Remote
\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 EX1200T<\/a> | 4.1.2cu.5232_B20210713<\/p>\n

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

The vulnerability lies within an unknown functionality of the \/boafrm\/formSysCmd file<\/a> of the HTTP POST Request Handler component. Attackers can manipulate the argument ‘submit-url’, which can lead to a buffer overflow<\/a> condition. A buffer overflow<\/a> essentially means that more data is written to a block of allocated memory than it can hold, causing the excess data to overflow into adjacent locations. If an attacker can control this overflow, it can be used to overwrite critical control<\/a> data and manipulate the software’s execution.<\/p>\n

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

Here is a conceptual example of an HTTP POST request that could potentially exploit this vulnerability<\/a>:<\/p>\n

POST \/boafrm\/formSysCmd HTTP\/1.1\nHost: target.example.com\nsubmit-url=<\/code><\/pre>\n
In this example, “ would be a specially crafted string designed to overflow the buffer and potentially take control of the system<\/a>.<\/p>\n
Mitigation and Recommendations<\/strong><\/p>\n
The best course of action to mitigate this vulnerability<\/a> is to apply the vendor-provided patch as soon as possible. If for any reason this is not feasible, a temporary mitigation could be the utilization of a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to detect and block attempts to exploit this vulnerability<\/a>. However, these are only temporary measures and do not fix the underlying issue, so applying the vendor patch should be the ultimate goal.
\nAlways remember to keep your systems up-to-date and regularly monitor for any new vulnerabilities<\/a> and patches. In the world of cybersecurity<\/a>, staying vigilant and proactive is the key to maintaining robust security.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview A critical vulnerability, identified as CVE-2025-6144, has been discovered in TOTOLINK EX1200T version 4.1.2cu.5232_B20210713. This vulnerability presents a significant risk to any organization or individual using the affected device, as it can be exploited remotely, providing attackers with the potential to compromise systems and leak sensitive data. The vulnerability lies in the HTTP POST […]<\/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-54066","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