CVE-2026-15480 Trendnet CVE debrief

Who should care

Users of Trendnet TEW-635BRM up to 1.00.03 should be aware of this vulnerability, especially since the product is no longer supported by the maintainer. Although the vendor cannot confirm the existence of the vulnerability, it is recommended to consider switching devices as a precautionary measure.

Technical summary

The vulnerability identified as CVE-2026-15480 affects the Trendnet TEW-635BRM up to version 1.00.03. It is a stack-based buffer overflow vulnerability in the start_httpd function of the /sbin/rc file, which is part of the Web Service component. The vulnerability is triggered by manipulation of the device_name argument. The attack can be executed remotely, and there are reports that an exploit is publicly available. However, the vendor notes that the product has been End-of-Life (EOL) since 2011 and they are unable to confirm if the vulnerability exists.

Defensive priority

High priority should be given to users of Trendnet TEW-635BRM up to 1.00.03 due to the high severity of this vulnerability (CVSS Score: 7.4) and its potential for remote exploitation. Although the product is EOL and the vendor cannot confirm the vulnerability, the public availability of an exploit increases the risk.

Recommended defensive actions

• Inventory and assess the current use of Trendnet TEW-635BRM up to 1.00.03
• Consider switching to a supported device as the product is EOL since 2011
• Monitor for any official announcements from the vendor regarding this vulnerability
• Implement compensating controls to mitigate the risk of remote exploitation
• Review the configuration and hardening of Trendnet TEW-635BRM devices
• Verify that monitoring and detection systems are in place for exposed assets
• Track and document the status of remediation efforts for this vulnerability

Evidence notes

The CVE record was published on 2026-07-12T06:16:42.650Z and has not been modified since then. The NVD entry is currently in the 'Received' status. The vulnerability details are based on limited information from the CVE and NVD sources, as well as additional references provided by Vuldb.

Official resources