CVE-2021-28846 Information

Description

A Format String vulnerablity 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 of service due to a logic bug at address 0x40dcd0 when calling fprintf with %s: key len = %d too long\n\ format. The two variables seem to be put in the wrong order. The vulnerability could be triggered by sending the POST request to apply_cgi with a long and unknown key in the request body.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/zyw-200/EQUAFL/blob/main/TRENDnet%20ticket.pdf

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5