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.

Vulnerability/
CVE-2021-34829

high

8.8

CWE

120

15/7/2021

4/8/2024

CVE-2021-34829: (0Day) D-Link DAP-1330 lighttpd http_parse_request Buffer Overflow Remote Code Execution Vulnerability

First published: Thu Jul 15 2021(Updated: )

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 HNAP_AUTH 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.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
D-Link DAP-1330
Dlink Dap-1330 Firmware	=1.13b01-beta
Dlink Dap-1330

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Reference Links

https://www.zerodayinitiative.com/advisories/ZDI-21-681/

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.

collector/nvd-index
agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/author
agent/severity
agent/references
agent/title
agent/weakness
agent/last-modified-date
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collector/zdi-advisory
source/ZDI
alias/ZDI-21-681
alias/ZDI-CAN-12065
alias/CVE-2021-34829
agent/software-canonical-lookup
vendor/dlink
canonical/dlink dap-1330 firmware
version/dlink dap-1330 firmware/1.13b01-beta
canonical/dlink dap-1330
vendor/d-link
canonical/d-link dap-1330

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