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CVE-2012-10021

CRITICAL
9.8
CVSS Severity Score
EPSS Score0.1380%
EPSS Percentile17.38th
PublishedJul 31, 2025
Last ModifiedSep 23, 2025

Vulnerability 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.

Affected Platforms (CPE)

💻
Dlink

Dir 605l Firmware

>= 1.12 and <= 1.13

References & Advisories

🔗 https://forums.dlink.com/index.php?topic=51923.0
🔗 https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/dlink_dir605l_captcha_bof.rb
🔗 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

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