CVE-2025-29515: D-Link DSL-7740c Firmware

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Incorrect access control in the DELT_file.xgi endpoint of D-Link DSL-7740C with firmware DSL7740C.V6.TR069.20211230 allows attackers to modify arbitrary settings within the device's XML database, including the administrator’s password.

Affected products

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

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