CVE-2021-34829: (0Day) D-Link DAP-1330 lighttpd http_parse_request Buffer Overflow Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the HNAPAUTH HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12065.
Other sources
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the HNAPAUTH HTTP header. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length buffer. An attacker can leverage this vulnerability to execute code in the context of the device.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-34829?
CVE-2021-34829 is a vulnerability that allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers.
How severe is CVE-2021-34829?
CVE-2021-34829 has a severity rating of 8.8 (high).
What is the affected software of CVE-2021-34829?
The affected software of CVE-2021-34829 is D-Link DAP-1330 1.13B01 BETA routers.
Is authentication required to exploit CVE-2021-34829?
No, authentication is not required to exploit CVE-2021-34829.
How can I fix CVE-2021-34829?
To fix CVE-2021-34829, it is recommended to apply the latest firmware update provided by D-Link.