CVE-2025-6291 — Improper Restriction of Operations within the Bounds of a Memory Buffer in D-link Dir-825

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer CWE-121 — Stack-based Buffer Overflow CWE-131 — Incorrect Calculation of Buffer Size CWE-674 — Uncontrolled Recursion5 documents5 sources

Severity

7.4HIGHNVD

EPSS

0.8%

top 25.50%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

D-link Dir-825 Dlink Dir-825 Firmware

Timeline

PublishedJun 20

Description

A vulnerability, which was classified as critical, was found in D-Link DIR-825 2.03. This affects the function do_file of the component HTTP POST Request Handler. The manipulation leads to stack-based buffer overflow. It is possible to initiate the attack 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-8252.03

▶NVDdlink/dir-825_firmware2.03

🔴Vulnerability Details

CVEList

D-Link DIR-825 HTTP POST Request do_file stack-based overflow↗2025-06-20

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GHSA

GHSA-84hr-pmrh-gc2g: A vulnerability, which was classified as critical, was found in D-Link DIR-825 2↗2025-06-20

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📋Vendor Advisories

Microsoft

In Netwide Assembler (NASM) 2.14.02, stack consumption occurs in expr# functions in asm/eval.c. This potentially affects the relationships among expr0, expr1, expr2, expr3, expr4, expr5, and expr6 (an↗2020-01-14

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