Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-40740

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
03/01/2023
Last modified:
10/07/2023

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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.20
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:realtek:usdk:1.0:*:*:*:*:*:*:*
cpe:2.3:a:realtek:usdk:2.0:*:*:*:*:*:*:*
cpe:2.3:a:realtek:usdk:2.2:*:*:*:*:*:*:*
cpe:2.3:a:realtek:xpon_software_development_kit:1.9:*:*:*:*:*:*:*
cpe:2.3:a:realtek:xpon_software_development_kit:3.3:*:*:*:*:*:*:*
cpe:2.3:a:realtek:xpon_software_development_kit:4.0:*:*:*:*:*:*:*
cpe:2.3:a:realtek:xpon_software_development_kit:4.1:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools