{"id":22144,"date":"2025-04-12T08:56:49","date_gmt":"2025-04-12T08:56:49","guid":{"rendered":""},"modified":"2025-04-17T06:17:19","modified_gmt":"2025-04-17T06:17:19","slug":"cve-2024-0572-critical-vulnerability-in-totolink-lr1200gb-leading-to-system-compromise","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-0572-critical-vulnerability-in-totolink-lr1200gb-leading-to-system-compromise\/","title":{"rendered":"CVE-2024-0572: Critical Vulnerability in Totolink LR1200GB leading to System Compromise<\/strong>"},"content":{"rendered":"

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

A critical vulnerability has been identified in the popular network product, Totolink LR1200GB version 9.1.0u.6619_B20230130. This vulnerability, classified as CVE-2024-0572, poses a substantial risk to systems and networks using this product, potentially leading to system compromise or data leakage if exploited. This vulnerability not only has a high impact<\/a> but is also of concern due to the lack of response from the vendor despite early notification about the disclosure.<\/p>\n

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

CVE ID: CVE-2024-0572
\nSeverity: Critical (CVSS score 8.8)
\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 lies in the function setOpModeCfg of the file<\/a> \/cgi-bin\/cstecgi.cgi. The flaw allows for the manipulation of the argument pppoeUser, which leads to stack-based buffer overflow<\/a>. This overflow can be triggered remotely<\/a> and without any requirement of user interaction or privileged access, making it a severe threat to any system running the affected version of Totolink LR1200GB.<\/p>\n

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

An attacker could potentially exploit this vulnerability<\/a> by sending a manipulated HTTP POST request to the target. This could look something like:<\/p>\n

POST \/cgi-bin\/cstecgi.cgi HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\npppoeUser=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA... (till buffer overflows)<\/code><\/pre>\n
In this conceptual example, ‘A’s are used to represent the malicious payload. The length of the payload would vary depending on the specific system’s buffer<\/a> size.<\/p>\n
Mitigation Guidance<\/strong><\/p>\n
As of now, the best course of action is to apply the vendor patch once it becomes available. However, given the absence of response from the vendor, users should consider implementing other security measures such as a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) to mitigate the risk posed by this vulnerability<\/a> temporarily. It is also recommended to monitor any network activity closely and report any suspicious activities to the appropriate personnel immediately.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview A critical vulnerability has been identified in the popular network product, Totolink LR1200GB version 9.1.0u.6619_B20230130. This vulnerability, classified as CVE-2024-0572, poses a substantial risk to systems and networks using this product, potentially leading to system compromise or data leakage if exploited. This vulnerability not only has a high impact but is also of concern […]<\/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-22144","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