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CVE-2025-53758

Default Credential Vulnerability in Digisol DG-GR6821AC Router

MEDIUM
5.1
CVSS Score
Published: July 16, 2025 at 11:29 AM UTC
Updated: June 17, 2026 at 09:38 AM UTC
1 product affected across 1 vendorDg GR6821AC

Using XPON ONU Wi-Fi Router (DG-GR6821AC) by Digisol?

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Severity
MEDIUM5.1
Exploit prediction
EPSS 0.1%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: [email protected]
https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2025-0147

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.1MEDIUMCERT-In
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-312

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