Authentication Bypass Vulnerability in D-Link DIR-825 G1 Router
CVE-2021-46442

9.8CRITICAL

Key Information:

Vendor
D-Link
Vendor
CVE Published:
27 April 2022

Summary

The D-Link DIR-825 G1 router contains a vulnerability in its 'webupg' binary that allows attackers to bypass authentication via the 'autoupgrade.asp' endpoint. This enables unauthorized users to access sensitive functionalities, including downloading configuration files and installing firmware updates without proper authorization. Such access can lead to further exploitation and compromise of the affected systems, highlighting the importance of prompt updates and security measures.

References

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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