{"id":22489,"date":"2025-04-13T05:01:00","date_gmt":"2025-04-13T05:01:00","guid":{"rendered":""},"modified":"2025-05-05T18:16:01","modified_gmt":"2025-05-05T18:16:01","slug":"cve-2024-0578-critical-buffer-overflow-vulnerability-in-totolink-lr1200gb","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-0578-critical-buffer-overflow-vulnerability-in-totolink-lr1200gb\/","title":{"rendered":"CVE-2024-0578: Critical Buffer Overflow Vulnerability in Totolink LR1200GB<\/strong>"},"content":{"rendered":"

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

The cybersecurity landscape is continually evolving, with new vulnerabilities being discovered and exploited by hackers on a daily basis. One such critical vulnerability has been identified in the popular networking product, Totolink LR1200GB, which has the potential to compromise systems or leak sensitive data. This vulnerability, termed CVE-2024-0578, pertains to the function UploadCustomModule in the file \/cgi-bin\/cstecgi.cgi and can be exploited remotely<\/a>, causing serious security concerns for users of the affected product.
\nThe severity of this issue is underscored by its CVSS Severity Score of 8.8, marking it as a critical threat<\/a>. It’s noteworthy that the vendor was contacted regarding this disclosure at an early stage, however, they did not respond, which could have implications for the speed at which a patch or fix is rolled out.<\/p>\n

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

CVE ID: CVE-2024-0578
\nSeverity: Critical (8.8 CVSS Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system<\/a> compromise or data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

Totolink LR1200GB<\/a> | 9.1.0u.6619_B20230130<\/p>\n

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

The vulnerability arises from a stack-based buffer overflow<\/a> in the UploadCustomModule function of the \/cgi-bin\/cstecgi.cgi file. By manipulating the File argument, an attacker can overflow the buffer<\/a>, leading to unexpected behavior in the system. It’s essential to note that this attack can be launched remotely<\/a>, making it even more dangerous as the attacker doesn’t need physical access to the device.<\/p>\n

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

Conceptually, an exploitation might involve sending a malicious POST request to the vulnerable<\/a> endpoint. While this is not the actual code that could be used, it illustrates the general idea:<\/p>\n

POST \/cgi-bin\/cstecgi.cgi HTTP\/1.1\nHost: target.example.com\nContent-Type: multipart\/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW\n------WebKitFormBoundary7MA4YWxkTrZu0gW\nContent-Disposition: form-data; name=\"File\"; filename=\"exploit.bin\"\nContent-Type: application\/octet-stream\n{ \"malicious_payload\": \"...\" }\n------WebKitFormBoundary7MA4YWxkTrZu0gW--<\/code><\/pre>\n
In this example, a malicious payload is uploaded as a file via the File argument, which could potentially cause a buffer overflow<\/a> if the payload is larger than the buffer can accommodate.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
Given the absence of any response from the vendor, users are advised to implement temporary mitigation measures such as using a Web Application Firewall (WAF) or Intrusion Detection System (IDS). These can help in detecting and blocking the malicious requests that may exploit this vulnerability<\/a>. However, the ultimate mitigation would be to apply a vendor patch, which should be done as soon as the vendor releases it.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The cybersecurity landscape is continually evolving, with new vulnerabilities being discovered and exploited by hackers on a daily basis. One such critical vulnerability has been identified in the popular networking product, Totolink LR1200GB, which has the potential to compromise systems or leak sensitive data. This vulnerability, termed CVE-2024-0578, pertains to the function UploadCustomModule in […]<\/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-22489","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