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HIGH · 7.5

CVE-2021-28842

Null Pointer Deference vulnerability exists in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03, which could let a remote malicious user cause a denial...

Vulnerability Description

Null Pointer Deference vulnerability exists in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03, which could let a remote malicious user cause a denial os service by sending the POST request to apply_cgi via action do_graph_auth without login_name key.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
TrendnetTew-755Ap Firmware1.11b03
TrendnetTew-755Ap-
TrendnetTew-755Ap2Kac Firmware1.11b03
TrendnetTew-755Ap2Kac-
TrendnetTew-821Dap2Kac Firmware1.11b03
TrendnetTew-821Dap2Kac-
TrendnetTew-825Dap Firmware1.11b03
TrendnetTew-825Dap-

Related Weaknesses (CWE)

CWE-476

References

FAQ

What is CVE-2021-28842?

CVE-2021-28842 is a vulnerability with a CVSS score of 7.5 (HIGH). Null Pointer Deference vulnerability exists in TRENDnet TEW-755AP 1.11B03, TEW-755AP2KAC 1.11B03, TEW-821DAP2KAC 1.11B03, and TEW-825DAP 1.11B03, which could let a remote malicious user cause a denial...

How severe is CVE-2021-28842?

CVE-2021-28842 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-28842?

Check the references section above for vendor advisories and patch information. Affected products include: Trendnet Tew-755Ap Firmware, Trendnet Tew-755Ap, Trendnet Tew-755Ap2Kac Firmware, Trendnet Tew-755Ap2Kac, Trendnet Tew-821Dap2Kac Firmware.