CVE-2018-14557 Information

Description

An issue was discovered on Tenda AC7 devices with firmware through V15.03.06.44_CN(AC7) AC9 devices with firmware through V15.03.05.19(6318)_CN(AC9) and AC10 devices with firmware through V15.03.06.23_CN(AC10). A buffer overflow vulnerability exists in the router’s web server (httpd). When processing the page parameters for a post request the value is directly written with sprintf to a local variable placed on the stack which overrides the return address of the function a causing buffer overflow.

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/zsjevilhex/iot/blob/master/route/tenda/tenda-03/Tenda.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