CVE-2025-7909: D-Link Dir-513 Firmware

High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days.

A vulnerability was found in D-Link DIR-513 1.0. It has been rated as critical. Affected by this issue is the function sprintf of the file /goform/formLanSetupRouterSettings of the component Boa Webserver. The manipulation of the argument curTime leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products

• D-Link Dir-513 Firmware: affected versions not specified

Published 2025-07-20. Last modified 2026-06-17.