CVE-2025-29520: D-Link DSL-7740c Firmware

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

Incorrect access control in the Maintenance module of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows authenticated attackers with low-level privileges to arbitrarily change the high-privileged account passwords and escalate privileges.

Affected products

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

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