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

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-07-20 · updated 2026-06-17
Weakness: CWE-119

Description

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: all versions

References

https://github.com/buobo/bo-s-CVE/blob/main/DIR-513/formLanSetupRouterSettings.md
https://vuldb.com/?ctiid.317024
https://vuldb.com/?id.317024
https://vuldb.com/?submit.618593
https://www.dlink.com/
https://github.com/buobo/bo-s-CVE/blob/main/DIR-513/formLanSetupRouterSettings.md

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