CVE-2025-29521 — MEDIUM (5.3)

Vulnerability Description

Insecure default credentials for the Adminsitrator account of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to escalate privileges via a bruteforce attack.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Dlink	Dsl-7740C Firmware	6.tr069.20211230
Dlink	Dsl-7740C	-

Related Weaknesses (CWE)

CWE-1392

References

https://gist.github.com/stevenyu113228/73f06459df5ac3257ff451e382497832ExploitThird Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory

FAQ

What is CVE-2025-29521?

CVE-2025-29521 is a vulnerability with a CVSS score of 5.3 (MEDIUM). Insecure default credentials for the Adminsitrator account of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to escalate privileges via a bruteforce attack.

How severe is CVE-2025-29521?

CVE-2025-29521 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-29521?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dsl-7740C Firmware, Dlink Dsl-7740C.