Unencrypted Credential Exposure in Digisol DG-GR6821AC Router
CVE-2025-53755

5.1MEDIUM

Key Information:

Vendor

Digisol

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

What is CVE-2025-53755?

The Digisol DG-GR6821AC Router contains a significant vulnerability due to the storage of sensitive information like credentials and PINs in an unencrypted format within its firmware. Attackers with physical access could exploit this flaw by extracting the device's firmware and reverse-engineering it to retrieve the unprotected data. If successfully compromised, this vulnerability could lead to unauthorized network access, putting the integrity of connected systems at risk.

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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:
5.1
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Physical
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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