CVE-2022-40740

HIGH

Realtek USDK - Authenticated OS Command Injection

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 7.2
EPSS 0.0146
EPSS Percentile 70.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-78
Status published
Products (7)
realtek/usdk 1.0
realtek/usdk 2.0
realtek/usdk 2.2
realtek/xpon_software_development_kit 1.9
realtek/xpon_software_development_kit 3.3
realtek/xpon_software_development_kit 4.0
realtek/xpon_software_development_kit 4.1
Published Jan 03, 2023
Tracked Since Feb 18, 2026