CVE-2012-10021

Critical

Description

A stack-based buffer overflow vulnerability exists in D-Link DIR-605L Wireless N300 Cloud Router firmware versions 1.12 and 1.13 via the getAuthCode() function. The flaw arises from unsafe usage of sprintf() when processing user-supplied CAPTCHA data via the FILECODE parameter in /goform/formLogin. A remote unauthenticated attacker can exploit this to execute arbitrary code with root privileges on the device.

SeverityCritical
CVSS9.8
Exploit probability—
ProductDlink Dir-605l Firmware
PublishedJul 31, 2025
First seenJul 31, 2025
Weakness typeCWE-121CWE-121

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
dlink dir-605l_firmware1.12 ≤ v ≤ 1.13—

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