What is the severity of ZDI-21-682?

The severity of ZDI-21-682 is critical as it allows remote code execution without authentication.

How do I fix ZDI-21-682?

To fix ZDI-21-682, update your D-Link DAP-1330 router to the latest firmware provided by the manufacturer.

Who is affected by ZDI-21-682?

Users of D-Link DAP-1330 routers are affected by ZDI-21-682.

What type of vulnerability is ZDI-21-682?

ZDI-21-682 is a remote code execution vulnerability due to improper handling of the Cookie HTTP header.

Can ZDI-21-682 be exploited remotely?

Yes, ZDI-21-682 can be exploited remotely since authentication is not required.

Vulnerability/
ZDI-21-682

high

8.8

4/8/2024

ZDI-21-682: (0Day) D-Link DAP-1330 HNAP Cookie Header 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-1330 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the Cookie 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.

Affected Software	Affected Version	How to fix
D-Link DAP-1330

Never miss a vulnerability like this again

Reference Links

https://www.zerodayinitiative.com/advisories/ZDI-21-682/

Frequently Asked Questions

What is the severity of ZDI-21-682?
The severity of ZDI-21-682 is critical as it allows remote code execution without authentication.
How do I fix ZDI-21-682?
To fix ZDI-21-682, update your D-Link DAP-1330 router to the latest firmware provided by the manufacturer.
Who is affected by ZDI-21-682?
Users of D-Link DAP-1330 routers are affected by ZDI-21-682.
What type of vulnerability is ZDI-21-682?
ZDI-21-682 is a remote code execution vulnerability due to improper handling of the Cookie HTTP header.
Can ZDI-21-682 be exploited remotely?
Yes, ZDI-21-682 can be exploited remotely since authentication is not required.

agent/type
agent/softwarecombine
collector/zdi-advisory
source/ZDI
alias/ZDI-21-682
alias/ZDI-CAN-12028
alias/CVE-2021-34830
agent/software-canonical-lookup
agent/references
agent/title
agent/severity
agent/event
agent/description
agent/tags
agent/source
vendor/d-link
canonical/d-link dap-1330

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.

Frequently Asked Questions

What is the severity of ZDI-21-682?
The severity of ZDI-21-682 is critical as it allows remote code execution without authentication.
How do I fix ZDI-21-682?
To fix ZDI-21-682, update your D-Link DAP-1330 router to the latest firmware provided by the manufacturer.
Who is affected by ZDI-21-682?
Users of D-Link DAP-1330 routers are affected by ZDI-21-682.
What type of vulnerability is ZDI-21-682?
ZDI-21-682 is a remote code execution vulnerability due to improper handling of the Cookie HTTP header.
Can ZDI-21-682 be exploited remotely?
Yes, ZDI-21-682 can be exploited remotely since authentication is not required.