Executive brief
A security vulnerability has been identified in the D-Link DI-8003 router, a device used for managing network traffic. An attacker can exploit this flaw to cause the device to crash or become unresponsive, leading to a total loss of internet connectivity for the office or home network. Because this product has reached its end-of-life status, the manufacturer will not be providing a security update, and users are advised to replace the hardware.
Technical details
A stack-based buffer overflow (CWE-121) exists in the D-Link DI-8003 router running firmware version 16.07.26A1. The vulnerability is located in the /trace.asp endpoint and is triggered by improper validation of the 'pid' parameter. An unauthenticated attacker can send a specially crafted network request to this endpoint to overflow the buffer, leading to a crash of the web service or the entire device (Denial of Service). According to the vendor, this product is End-of-Life (EoL) and will not receive a patch; users are recommended to retire the affected hardware.
Affected products
- D-Link DI-8003 16.07.26A1
Timeline
- 2026-04-08: disclosed
- 2026-04-15: advisory: Vendor confirmed EoL status and no planned fix