CVE-2025-53757: Digisol Xpon Onu Wi-Fi Router Dg-GR6821AC

High severity, CVSS 8.7. EPSS: 0.3% chance of exploitation in the next 30 days.

This vulnerability exists in Digisol DG-GR6821AC Router due to misconfiguration of both Secure and HttpOnly flags on session cookies associated with the router web interface. A remote attacker could exploit this vulnerability by capturing the session cookies transmitted over an unsecure HTTP connection. Successful exploitation of this vulnerability could allow the attacker to obtain sensitive information from 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.