CVE-2025-53757 Insecure Cookie Flags Vulnerability in Digisol DG-GR6821AC Router
Remote attackers can capture session cookies due to missing Secure and HttpOnly flags, leading to sensitive information disclosure and potential account takeover.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-53757?
CVE-2025-53757 is a high-severity vulnerability in Digisol XPON ONU Wi-Fi Router (DG-GR6821AC), published on 16 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2025-53757?
How do I fix CVE-2025-53757?
No fix has been published for CVE-2025-53757 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-53757 being exploited?
There is no known exploitation of CVE-2025-53757 in the wild and no public exploit code.
Sources
Also known as GHSA-f3mc-75q8-f845.