CVE-2021-28843: Null Pointer Dereference

Published Aug 10, 2021
·
Updated

Null Pointer Dereference vulnerability exists in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03 by sending the POST request to applycgi with an unknown action name.

Affected Software

8 affected components
Trendnet Tew-755ap Firmware=1.11b03
Trendnet TEW-755AP
Trendnet Tew-755ap2kac Firmware=1.11b03
Trendnet TEW-755AP2KAC
Trendnet Tew-821dap2kac Firmware=1.11b03
Trendnet TEW-821DAP2KAC
Trendnet Tew-825dap Firmware=1.11b03
Trendnet TEW-825DAP

Event History

Aug 10, 2021
CVE Published
via MITRE·06:47 PM
Data Sourced
via MITRE·06:47 PM
Description
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Frequently Asked Questions

1

What is CVE-2021-28843?

CVE-2021-28843 is a vulnerability that exists in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03.

2

What is the severity of CVE-2021-28843?

The severity of CVE-2021-28843 is high with a CVSS score of 7.5.

3

How does CVE-2021-28843 affect TRENDnet TEW-755AP 1.11B03?

CVE-2021-28843 affects TRENDnet TEW-755AP 1.11B03 by causing a null pointer dereference vulnerability when a POST request with an unknown action name is sent to apply_cgi.

4

How can I fix CVE-2021-28843?

To fix CVE-2021-28843, it is recommended to update to the latest firmware version provided by TRENDnet.

5

Where can I find more information about CVE-2021-28843?

More information about CVE-2021-28843 can be found at the following reference: [link to reference].

Contact

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