What is the vulnerability ID of the D-Link DAP-1330 vulnerability?

The vulnerability ID of the D-Link DAP-1330 vulnerability is CVE-2021-34827.

What is the severity level of CVE-2021-34827?

The severity level of CVE-2021-34827 is high with a score of 8.8.

Do attackers require authentication to exploit CVE-2021-34827?

No, authentication is not required to exploit CVE-2021-34827.

Is there any fix available for CVE-2021-34827?

At the time of writing, there is no available fix for CVE-2021-34827. It is recommended to follow the vendor's security advisory and apply any patches or updates as soon as they are released.

Vulnerability/
CVE-2021-34827

high

8.8

CWE

121

15/7/2021

20/7/2021

23/10/2023

CVE-2021-34827: (0Day) D-Link DAP-1330 HNAP checkValidRequest Stack-based 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 SOAPAction 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 stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of the device. Was ZDI-CAN-12029.

Credit: zdi-disclosures@trendmicro.com

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

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Reference Links

https://www.zerodayinitiative.com/advisories/ZDI-21-679/

Frequently Asked Questions

What is the vulnerability ID of the D-Link DAP-1330 vulnerability?
The vulnerability ID of the D-Link DAP-1330 vulnerability is CVE-2021-34827.
What is the severity level of CVE-2021-34827?
The severity level of CVE-2021-34827 is high with a score of 8.8.
How does CVE-2021-34827 allow attackers to execute arbitrary code?
CVE-2021-34827 allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers through a stack-based buffer overflow.
Do attackers require authentication to exploit CVE-2021-34827?
No, authentication is not required to exploit CVE-2021-34827.
Is there any fix available for CVE-2021-34827?
At the time of writing, there is no available fix for CVE-2021-34827. It is recommended to follow the vendor's security advisory and apply any patches or updates as soon as they are released.

collector/nvd-index
collector/zdi-advisory
alias/ZDI-21-679
alias/ZDI-CAN-12029
alias/CVE-2021-34827
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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