CVE-2025-53755: Digisol Xpon Onu Wi-Fi Router Dg-GR6821AC

Medium severity, CVSS 5.1. EPSS: 0.1% chance of exploitation in the next 30 days.

This vulnerability exists in Digisol DG-GR6821AC Router due to storage of credentials and PINS without encryption in the device firmware. An attacker with physical access could exploit this vulnerability by extracting the firmware and reverse engineer the binary data to access the unencrypted data stored in the firmware of targeted device. Successful exploitation of this vulnerability could allow the attacker to gain unauthorized access to the network of the targeted device.

Affected products

• Digisol Xpon Onu Wi-Fi Router Dg-GR6821AC: version V3.2.XX only

Published 2025-07-16. Last modified 2026-06-17.