{"id":36526,"date":"2025-05-09T02:50:03","date_gmt":"2025-05-09T02:50:03","guid":{"rendered":""},"modified":"2025-05-30T13:06:17","modified_gmt":"2025-05-30T19:06:17","slug":"cve-2025-44877-critical-command-injection-vulnerability-in-tenda-ac9-v15-03-06-42-multi","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-44877-critical-command-injection-vulnerability-in-tenda-ac9-v15-03-06-42-multi\/","title":{"rendered":"CVE-2025-44877: Critical Command Injection Vulnerability in Tenda AC9 V15.03.06.42_multi<\/strong>"},"content":{"rendered":"

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

The recently discovered vulnerability CVE-2025-44877 poses a significant threat to users of Tenda AC9 V15.03.06.42_multi. As a critical vulnerability, it exposes users to potential system compromise or data leakage, making it a high-priority issue that needs to be addressed immediately. The vulnerability lies in the formSetSambaConf function via the usbname parameter, enabling attackers to execute arbitrary commands<\/a> via a crafted request. Given the high CVSS severity score of 9.8, it’s crucial for users and administrators to understand the risks and implications associated with this vulnerability<\/a>.<\/p>\n

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

CVE ID: CVE-2025-44877
\nSeverity: Critical (CVSS 9.8)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system compromise or data leakage<\/a><\/p>\n

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

Product | Affected Versions<\/p>\n

Tenda AC9 | V15.03.06.42_multi<\/a><\/p>\n

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

The exploit takes advantage of a command injection vulnerability<\/a> in the formSetSambaConf function via the usbname parameter. An attacker can craft a special request containing malicious code, which, when processed by the vulnerable function, allows the arbitrary command to be executed<\/a>. This could permit an attacker to manipulate the system, potentially leading to a full system<\/a> compromise or data leakage.<\/p>\n

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

Here is a conceptual example of how an attacker might exploit this vulnerability<\/a>. Note that this is a simplified example and actual attacks may involve more complex payloads or techniques.<\/p>\n

POST \/formSetSambaConf HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ \"usbname\": \"; rm -rf \/;\" }<\/code><\/pre>\n
In the above example, an attacker sends a POST request<\/a> to the formSetSambaConf endpoint with a malicious payload in the “usbname” parameter. The payload `”; rm -rf \/;”` is a destructive Linux command that, when executed, deletes all files<\/a> in the system. If the system is vulnerable<\/a>, it would process this command, leading to severe damage.<\/p>\n
Mitigation and Prevention<\/strong><\/p>\n
Users are strongly urged to apply the vendor patch as soon as it becomes available. Until then, users should consider using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary mitigation measure. These tools can help detect and block malicious requests that attempt to exploit this vulnerability<\/a>. Regularly updating and patching systems is a critical part of maintaining a secure<\/a> environment and protecting against potential threats.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The recently discovered vulnerability CVE-2025-44877 poses a significant threat to users of Tenda AC9 V15.03.06.42_multi. As a critical vulnerability, it exposes users to potential system compromise or data leakage, making it a high-priority issue that needs to be addressed immediately. The vulnerability lies in the formSetSambaConf function via the usbname parameter, enabling attackers to […]<\/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":[88],"product":[],"attack_vector":[78],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-36526","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-linux","attack_vector-injection"],"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