CVE-2022-40740

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.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
realtekusdk
1.0
realtekusdk
2.0
realtekusdk
2.2
realtekxpon_software_development_kit
1.9
realtekxpon_software_development_kit
3.3
realtekxpon_software_development_kit
4.0
realtekxpon_software_development_kit
4.1
𝑥
= Vulnerable software versions