CVE-2025-6291: D-Link DIR-825 HTTP POST Request do_file stack-based overflow

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-06-20 · updated 2026-06-17
Weakness: CWE-119

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.

Affected products

D-Link DIR-825: 2.03

References

https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir825-dlink
https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir825-dlink#poc
https://vuldb.com/?ctiid.313293
https://vuldb.com/?id.313293
https://vuldb.com/?submit.593937
https://www.dlink.com/
https://github.com/xiaobor123/vul-finds/tree/main/vul-find-dir825-dlink

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