CVE-2025-7909 HIGH

CVE-2025-7909: D-Link DIR-513 Boa Webserver formLanSetupRouterSettings sprintf stack-based overflow

Vendor D-Link
Product DIR-513
Weakness CWE-121
Published July 20, 2025
Last update July 21, 2025

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 20, 2025 CVE published
July 21, 2025 Record updated