Cleartext Credentials Exposure in Digisol DG-GR6821AC Router
CVE-2025-53756

8.7HIGH

Key Information:

Vendor

Digisol

Status
Xpon Onu Wi-fi Router (dg-gr6821ac)
Vendor
CVE Published:
16 July 2025

What is CVE-2025-53756?

The Digisol DG-GR6821AC Router is susceptible to a security flaw due to the transmission of credentials in cleartext within its web management interface. This design oversight enables remote attackers to intercept network traffic, potentially capturing sensitive credentials used to access the router. If successfully exploited, this vulnerability may grant unauthorized access to the affected device, compromising network security and integrity.

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Affected Version(s)

XPON ONU Wi-Fi Router (DG-GR6821AC) V3.2.XX

References

https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOT...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This vulnerability is reported by Shravan Singh from Kavach IoT Security.
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