Null Pointer Dereference Vulnerability in TRENDnet Wireless Access Points
CVE-2021-28842

7.5HIGH

Key Information:

Vendor

Trendnet

Status
Tew-755ap Firmware
Vendor
CVE Published:
10 August 2021

What is CVE-2021-28842?

A null pointer dereference vulnerability exists in several TRENDnet wireless access points, which allows an unauthenticated remote attacker to cause a denial of service. The issue arises when a POST request is sent to the apply_cgi endpoint with a missing login_name key. This can lead to unexpected behavior and system crashes, impacting the availability of the device.

References

https://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ti...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.