CVE-2018-18731 Information

Description

An issue was discovered on Tenda AC7 V15.03.06.44_CN AC9 V15.03.05.19(6318)_CN AC10 V15.03.06.23_CN AC15 V15.03.05.19_CN and AC18 V15.03.05.19(6318)_CN devices. There is a buffer overflow vulnerability in the router’s web server – httpd. While processing the ‘deviceMac’ parameter for a post request the value is directly used in a sprintf to a local variable placed on the stack which overrides the return address of the function.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

https://github.com/ZIllR0/Routers/blob/master/Tenda/stack4.md

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5