CVE-2025-8159 — Improper Restriction of Operations within the Bounds of a Memory Buffer in D-link Dir-513

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-121 — Stack-based Buffer Overflow CWE-787 — Out-of-bounds Write4 documents4 sources

Severity

7.4HIGHNVD

EPSS

0.4%

top 40.47%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

D-link Dir-513 Dlink Dir-513 Firmware

Timeline

PublishedJul 25

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.

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

Affected Packages2 packages

▶CVEListV5d-link/dir-5131.0

▶NVDdlink/dir-513_firmware1.0

🔴Vulnerability Details

CVEList

D-Link DIR-513 HTTP POST Request formLanguageChange stack-based overflow↗2025-07-25

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GHSA

GHSA-h9m7-cj39-6vrg: A vulnerability was found in D-Link DIR-513 1↗2025-07-25

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🔍Detection Rules

Suricata

ET WEB_SPECIFIC_APPS D-Link formLanguageChange currTime Parameter Buffer Overflow Attempt (CVE-2025-8159)↗2025-07-25

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