CVE-2025-10666: dir-825 Buffer Overflow — Exploit

Description

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
dlink	dir-825_firmware	< 2.10
dlink	dir-825	All

References

Exploits

https://github.com/panda666-888/vuls/blob/main/d-link/dir-825/apply.cgi.md https://github.com/panda666-888/vuls/blob/main/d-link/dir-825/apply.cgi.md#poc https://github.com/panda666-888/vuls/blob/main/d-link/dir-825/apply.cgi.md https://github.com/panda666-888/vuls/blob/main/d-link/dir-825/apply.cgi.md#poc

Other References

https://vuldb.com/?ctiid.324787 https://vuldb.com/?id.324787 https://vuldb.com/?submit.652047 https://www.dlink.com/ https://www.exploit-db.com/exploits/52469

Frequently Asked Questions

What is CVE-2025-10666? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2025-10666? +

CVE-2025-10666 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-10666? +

CVE-2025-10666 affects products from dlink, specifically: dir-825, dir-825_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-10666? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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