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CVE-2012-10021

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.

POC

Reference

- https://web.archive.org/web/20121012062554/http://www.devttys0.com/2012/10/exploiting-a-mips-stack-overflow/

- https://www.exploit-db.com/exploits/29127

- https://www.vulncheck.com/advisories/dlink-dir605l-captcha-handling-stack-based-buffer-overflow

Github

- https://github.com/ARPSyndicate/cve-scores