What is the severity of ZDI-CAN-13270?

The severity of ZDI-CAN-13270 is critical due to its potential for arbitrary code execution by network-adjacent attackers.

How do I fix ZDI-CAN-13270?

To fix ZDI-CAN-13270, update the D-Link DAP-2020 router to the latest firmware version provided by the manufacturer.

Who is affected by ZDI-CAN-13270?

ZDI-CAN-13270 affects users of the D-Link DAP-2020 wireless routers.

What is the impact of ZDI-CAN-13270?

The impact of ZDI-CAN-13270 includes the possibility for unauthorized execution of arbitrary code on the affected D-Link devices.

Is authentication required to exploit ZDI-CAN-13270?

No, authentication is not required to exploit ZDI-CAN-13270, making it particularly dangerous for users.

Vulnerability/
ZDI-CAN-13270

high

8.8

4/8/2024

ZDI-CAN-13270: D-Link DAP-2020 webproc var:menu Stack-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the var:menu parameter provided to the webproc endpoint. 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 root.

Affected Software	Affected Version	How to fix
D-Link DAP-2020

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Reference Links

Frequently Asked Questions

What is the severity of ZDI-CAN-13270?
The severity of ZDI-CAN-13270 is critical due to its potential for arbitrary code execution by network-adjacent attackers.
How do I fix ZDI-CAN-13270?
To fix ZDI-CAN-13270, update the D-Link DAP-2020 router to the latest firmware version provided by the manufacturer.
Who is affected by ZDI-CAN-13270?
ZDI-CAN-13270 affects users of the D-Link DAP-2020 wireless routers.
What is the impact of ZDI-CAN-13270?
The impact of ZDI-CAN-13270 includes the possibility for unauthorized execution of arbitrary code on the affected D-Link devices.
Is authentication required to exploit ZDI-CAN-13270?
No, authentication is not required to exploit ZDI-CAN-13270, making it particularly dangerous for users.

agent/references
agent/softwarecombine
collector/zdi-advisory
source/ZDI
alias/ZDI-21-978
alias/ZDI-CAN-13270
alias/CVE-2021-34862
agent/software-canonical-lookup
agent/severity
agent/title
agent/event
agent/type
agent/description
agent/tags
agent/source
vendor/d-link
canonical/d-link dap-2020

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Frequently Asked Questions

What is the severity of ZDI-CAN-13270?
The severity of ZDI-CAN-13270 is critical due to its potential for arbitrary code execution by network-adjacent attackers.
How do I fix ZDI-CAN-13270?
To fix ZDI-CAN-13270, update the D-Link DAP-2020 router to the latest firmware version provided by the manufacturer.
Who is affected by ZDI-CAN-13270?
ZDI-CAN-13270 affects users of the D-Link DAP-2020 wireless routers.
What is the impact of ZDI-CAN-13270?
The impact of ZDI-CAN-13270 includes the possibility for unauthorized execution of arbitrary code on the affected D-Link devices.
Is authentication required to exploit ZDI-CAN-13270?
No, authentication is not required to exploit ZDI-CAN-13270, making it particularly dangerous for users.