CVE-2012-10021: D-Link DIR-605L Captcha Handling Buffer Overflow
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2012-10021?
CVE-2012-10021 is classified as a high severity vulnerability due to its potential for causing a stack-based buffer overflow.
How do I fix CVE-2012-10021?
To remediate CVE-2012-10021, update the firmware of the D-Link DIR-605L Wireless N300 Cloud Router to the latest available version that addresses this vulnerability.
What component is affected by CVE-2012-10021?
CVE-2012-10021 affects the getAuthCode() function in the firmware of the D-Link DIR-605L Wireless N300 Cloud Router.
What kind of attack can exploit CVE-2012-10021?
CVE-2012-10021 can be exploited through a crafted CAPTCHA input that triggers a buffer overflow in the affected router's firmware.
What versions are impacted by CVE-2012-10021?
CVE-2012-10021 impacts D-Link DIR-605L Wireless N300 Cloud Router firmware versions 1.12 and 1.13.