CVE-2020-14074 Information

Description

TRENDnet TEW-827DRU devices through 2.06B04 contain a stack-based buffer overflow in the ssi binary. The overflow allows an authenticated user to execute arbitrary code by POSTing to apply.cgi via the action kick_ban_wifi_mac_allow with a sufficiently long qcawifi.wifi0_vap0.maclist key.

CVSS Vector

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

Reference

https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/kick_ban_wifi_mac_allow_overflow.pdf https://github.com/kuc001/IoTFirmware/blob/master/Trendnet/TEW-827/TRENDnet-kick_ban_wifi.pdf

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8