CVE-2021-27692 Information

Description

Command Injection in Tenda G1 and G3 routers with firmware versions v15.11.0.17(9502)_CN or v15.11.0.16(9024)_CN allows remote attackers to execute arbitrary OS commands via a crafted ction/umountUSBPartition\ request. This occurs because the ormSetUSBPartitionUmount\ function executes the \doSystemCmd\ function with untrusted input.

CVSS Vector

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

Reference

https://hackmd.io/@aZYpdinUS2SD-yhAeHwOkw/ry-t4QfMu

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8