Access Control Flaw in D-Link Router Firmware Exposes Configuration Files
CVE-2025-29514

9.8CRITICAL

Key Information:

Vendor

D-Link
Status
DSL-7740C
Vendor
CVE Published:
25 August 2025

What is CVE-2025-29514?

A security vulnerability in the config.xgi function of D-Link DSL-7740C routers with specific firmware versions allows attackers to exploit improper access controls. By crafting a malicious web request, unauthorized users can download sensitive configuration files, posing significant risks to network security and integrity.

References

https://www.dlink.com/en/security-bulletin/
https://gist.github.com/stevenyu113228/1fc5dcc63e4b4e9f55...

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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CVE-2025-29514 : Access Control Flaw in D-Link Router Firmware Exposes Configuration Files