CVE-2025-10666 HIGH

CVE-2025-10666: D-Link DIR-825 apply.cgi sub_4106d4 buffer overflow

Vendor D-Link
Product DIR-825
Weakness CWE-120
Published September 18, 2025
Last update February 3, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

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/E:P

What the vulnerability does

01Description

A security flaw has been discovered in D-Link DIR-825 up to 2.10. Affected by this vulnerability is the function sub_4106d4 of the file apply.cgi. The manipulation of the argument countdown_time results in buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be exploited. This vulnerability only affects products that are no longer supported by the maintainer.

Key dates

02Disclosure timeline

September 18, 2025 CVE published
February 3, 2026 Record updated