CVE-2025-8159: D-Link DIR-513 HTTP POST Request formLanguageChange stack-based overflow

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 20.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-07-25 · 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. This issue affects the function formLanguageChange of the file /goform/formLanguageChange of the component HTTP POST Request Handler. The manipulation of the argument curTime leads to stack-based buffer overflow. The attack may be initiated 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: 1.0

References

https://github.com/boyslikesports/vul/blob/main/formLanguageChange.md
https://vuldb.com/?ctiid.317573
https://vuldb.com/?id.317573
https://vuldb.com/?submit.620604
https://www.dlink.com/
https://github.com/boyslikesports/vul/blob/main/formLanguageChange.md

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