Security Flaw in D-Link VoIP Phone Exposes User Credentials
CVE-2025-45784

9.8CRITICAL

Key Information:

Vendor

D-Link
Status
DPH-400S/SE VoIP Phone
Vendor
CVE Published:
18 June 2025

What is CVE-2025-45784?

The D-Link DPH-400S/SE VoIP Phone v1.01 is prone to a significant security flaw due to hardcoded provisioning variables such as PROVIS_USER_PASSWORD. This vulnerability allows attackers with firmware access to extract sensitive user credentials using static analysis techniques. The improper management of sensitive data within the firmware binary puts both device functions and user accounts at risk, highlighting the critical need for improved security practices in device firmware management.

References

https://www.dlink.com/en/security-bulletin/
https://cybermaya.in/posts/Post-37/

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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