CVE-2025-29521

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-29521
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.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://gist.github.com/stevenyu113228/73f06459df5ac3257ff451e382497832 Exploit Third Party Advisory
https://www.dlink.com/en/security-bulletin/ Vendor Advisory
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:dlink:dsl-7740c_firmware:6.tr069.20211230:*:*:*:*:*:*:*
cpe:2.3:h:dlink:dsl-7740c:-:*:*:*:*:*:*:*
History

02 Sep 2025, 18:16

Type Values Removed Values Added
CPE cpe:2.3:h:dlink:dsl-7740c:-:*:*:*:*:*:*:*
cpe:2.3:o:dlink:dsl-7740c_firmware:6.tr069.20211230:*:*:*:*:*:*:*
References () https://gist.github.com/stevenyu113228/73f06459df5ac3257ff451e382497832 - () https://gist.github.com/stevenyu113228/73f06459df5ac3257ff451e382497832 - Exploit, Third Party Advisory
References () https://www.dlink.com/en/security-bulletin/ - () https://www.dlink.com/en/security-bulletin/ - Vendor Advisory
First Time Dlink dsl-7740c
Dlink dsl-7740c Firmware
Dlink

26 Aug 2025, 16:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.3
Summary
  • (es) Las credenciales predeterminadas inseguras para la cuenta de administrador de D-Link DSL-7740C con firmware DSL7740C.V6.TR069.20211230 permiten a los atacantes escalar privilegios a través de un ataque de fuerza bruta.
CWE CWE-1392

25 Aug 2025, 20:24

Type Values Removed Values Added
New CVE
Information

Published : 2025-08-25 15:15

Updated : 2025-09-02 18:16

NVD link : CVE-2025-29521

Mitre link : CVE-2025-29521

CVE.ORG link : CVE-2025-29521

JSON object : View

Products Affected

dlink

  • dsl-7740c_firmware
  • dsl-7740c
CWE
CWE-1392

Use of Default Credentials