CVE-2021-28844: Null Pointer Dereference
First published: Tue 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 apply_cgi via a do_graph_auth action without a session_id key.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| 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 |
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Frequently Asked Questions
What is CVE-2021-28844?
CVE-2021-28844 is a null pointer dereference vulnerability that exists in TRENDnet TEW-755AP, TEW-755AP2KAC, TEW-821DAP2KAC, and TEW-825DAP firmware versions 1.11B03.
How does CVE-2021-28844 affect TRENDnet TEW-755AP?
CVE-2021-28844 allows an attacker to cause a null pointer dereference by sending a specially crafted POST request to apply_cgi without a session_id key.
What is the severity of CVE-2021-28844?
CVE-2021-28844 has a severity rating of 7.5 (high).
Is TRENDnet TEW-755AP2KAC affected by CVE-2021-28844?
Yes, TRENDnet TEW-755AP2KAC firmware version 1.11B03 is affected by CVE-2021-28844.
How can CVE-2021-28844 be fixed?
To fix CVE-2021-28844, it is recommended to update the affected firmware versions to a patched version provided by TRENDnet.
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- vendor/trendnet
- canonical/trendnet tew-755ap firmware
- version/trendnet tew-755ap firmware/1.11b03
- canonical/trendnet tew-755ap
- canonical/trendnet tew-755ap2kac firmware
- version/trendnet tew-755ap2kac firmware/1.11b03
- canonical/trendnet tew-755ap2kac
- canonical/trendnet tew-821dap2kac firmware
- version/trendnet tew-821dap2kac firmware/1.11b03
- canonical/trendnet tew-821dap2kac
- canonical/trendnet tew-825dap firmware
- version/trendnet tew-825dap firmware/1.11b03
- canonical/trendnet tew-825dap