CVE-2020-25366: D-Link Dir-823g Firmware

Critical severity, CVSS 9.1. EPSS: 2.5% chance of exploitation in the next 30 days.

An issue in the component /cgi-bin/upload_firmware.cgi of D-Link DIR-823G REVA1 1.02B05 allows attackers to cause a denial of service (DoS) via unspecified vectors.

Affected products

• D-Link Dir-823g Firmware: version 1.02b05 only

Published 2021-11-04. Last modified 2026-07-09.