CVE-2022-40740

Published: Jan 3, 2023Modified: Nov 21, 2024

7.2

Vector

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

Exploitability: 1.2 / Impact: 5.9

Source: twcert@cert.org.tw (Secondary)

Description

Realtek GPON router has insufficient filtering for special characters. A remote attacker authenticated as an administrator can exploit this vulnerability to perform command injection attacks, to execute arbitrary system command, manipulate system or disrupt service.

Affected (7)

Products: Realtek: Usdk, Xpon Software Development Kit

Realtek

2 products

Usdk

Xpon Software Development Kit

Configuration A

7 vulnerable

Vulnerable Software	Affected Versions
Realtek Usdk	Version 1.0
Realtek Usdk	Version 2.0
Realtek Usdk	Version 2.2
Realtek Xpon Software Development Kit	Version 1.9
Realtek Xpon Software Development Kit	Version 3.3
Realtek Xpon Software Development Kit	Version 4.0
Realtek Xpon Software Development Kit	Version 4.1

Related CWEs

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (2)

https://www.twcert.org.tw/tw/cp-132-6831-19121-1.html

Source: twcert@cert.org.tw

Third Party AdvisoryVDB Entry

https://www.twcert.org.tw/tw/cp-132-6831-19121-1.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

Timeline

No history available yet.