CVE-2020-8962: D-Link Dir-842 Firmware

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

A stack-based buffer overflow was found on the D-Link DIR-842 REVC with firmware v3.13B09 HOTFIX due to the use of strcpy for LOGINPASSWORD when handling a POST request to the /MTFWU endpoint.

Affected products

• D-Link Dir-842 Firmware: version 3.13b09 only

Published 2020-02-13. Last modified 2026-06-17.