CVE-2025-10107 in TEW-831DR
Summary
by MITRE • 09/09/2025
A vulnerability has been found in TRENDnet TEW-831DR 1.0 (601.130.1.1410). Impacted is an unknown function of the file /boafrm/formSysCmd. The manipulation of the argument sysHost leads to command injection. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 09/10/2025
The vulnerability identified as CVE-2025-10107 affects the TRENDnet TEW-831DR 1.0 wireless router firmware version 601.130.1.1410 and represents a critical command injection flaw within the device's web administration interface. This vulnerability resides in the /boafrm/formSysCmd file where the sysHost parameter is processed without adequate input validation or sanitization. The affected device operates using a web-based management interface that allows users to configure various system parameters through HTTP requests, making it susceptible to remote exploitation. The issue stems from improper handling of user-supplied input that is directly incorporated into system commands without proper escaping or filtering mechanisms, creating a pathway for malicious actors to execute arbitrary commands on the affected device with the privileges of the web server process.
The technical exploitation of this vulnerability occurs through manipulation of the sysHost argument parameter within the formSysCmd functionality, which serves as an entry point for command injection attacks. When an attacker submits malicious input through this parameter, the system processes the input directly within a shell context without proper sanitization, allowing for the execution of arbitrary system commands. This type of vulnerability maps directly to CWE-77, which specifically addresses command injection flaws, and aligns with ATT&CK technique T1059.001 for command and scripting interpreter. The remote attack vector means that an unauthenticated attacker can exploit this vulnerability from outside the network perimeter, making the device particularly vulnerable to widespread exploitation. The disclosure of the exploit to the public indicates that this vulnerability is not merely theoretical but has been actively weaponized by threat actors, significantly increasing the risk to affected users.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it provides attackers with complete control over the affected router's functionality and potentially the entire network it protects. An attacker with successful exploitation can execute commands such as modifying network configurations, creating backdoors, accessing network traffic, or even installing persistent malware on the device. The router's role as a network gateway means that compromise of this device could lead to lateral movement within the network, DNS hijacking, or man-in-the-middle attacks against internal network traffic. The lack of vendor response to early disclosure attempts is particularly concerning as it suggests either limited security awareness within the vendor organization or insufficient resources dedicated to addressing security vulnerabilities in legacy firmware versions. This absence of vendor support leaves affected users without official patches or mitigation guidance, forcing them to rely on community-driven workarounds or hardware replacement.
Mitigation strategies for this vulnerability should focus on immediate network isolation and firmware updates where possible, though the lack of vendor response complicates official remediation efforts. Network administrators should implement strict firewall rules to restrict access to the router's management interface from untrusted networks, particularly blocking access to the specific endpoint containing the vulnerable code. The most effective immediate solution involves disabling remote management access to the device entirely and restricting administrative access to local network segments only. Additionally, network segmentation should be implemented to prevent lateral movement if the device is compromised, and network monitoring should be enhanced to detect suspicious command execution patterns. For users unable to update firmware, disabling unnecessary services and implementing network-based intrusion detection systems can provide additional layers of protection. The vulnerability underscores the importance of maintaining current firmware versions and establishing vendor communication channels for security vulnerability reporting, as the absence of vendor response leaves users exposed to prolonged exploitation windows.