CVE-2025-29521: D-Link DSL-7740c Firmware

Medium severity, CVSS 5.3. EPSS: 0.6% chance of exploitation in the next 30 days.

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.

Affected products

• D-Link DSL-7740c Firmware: version 6.tr069.20211230 only

Published 2025-08-25. Last modified 2026-06-17.