CVE-2025-53758: 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 use of default admin credentials at its web management interface. An attacker with physical access could exploit this vulnerability by extracting the firmware and reverse engineer the binary data to access the hardcoded default credentials stored in the firmware of the targeted device. Successful exploitation of this vulnerability could allow the attacker to gain unauthorized access to 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.