Critical severity9.8NVD Advisory· Published Jul 31, 2025· Updated Jun 16, 2026
CVE-2012-10021
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:o:dlink:dir-605l_firmware:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:dlink:dir-605l_firmware:*:*:*:*:*:*:*:*range: >=1.12,<=1.13
- (no CPE)range: 1.12, 1.13
- (no CPE)range: 1.12
- Range: 1.12, 1.13
Patches
Vulnerability mechanics
References
5- raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/dlink_dir605l_captcha_bof.rbnvdExploit
- web.archive.org/web/20121012062554/http://www.devttys0.com/2012/10/exploiting-a-mips-stack-overflow/nvdExploitThird Party Advisory
- www.exploit-db.com/exploits/29127nvdExploit
- www.vulncheck.com/advisories/dlink-dir605l-captcha-handling-stack-based-buffer-overflownvdThird Party Advisory
- forums.dlink.com/index.phpnvdIssue Tracking
News mentions
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