CVE-2022-4873

Severity CVSS v4.0:

Pending analysis

Type:

CWE-787 Out-of-bounds Write

Publication date:

11/01/2023

Last modified:

04/11/2025

Description

On Netcomm router models NF20MESH, NF20, and NL1902 a stack based buffer overflow affects the sessionKey parameter. By providing a specific number of bytes, the instruction pointer is able to be overwritten on the stack and crashes the application at a known location.

Impact

Vector 3.x

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

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:netcommwireless:nf20_firmware::::::::		r6b025 (excluding)
cpe:2.3:h:netcommwireless:nf20:-:::::::*
cpe:2.3:o:netcommwireless:nf20mesh_firmware::::::::		r6b025 (excluding)
cpe:2.3:h:netcommwireless:nf20mesh:-:::::::*
cpe:2.3:o:netcommwireless:nl1902_firmware::::::::		r6b025 (excluding)
cpe:2.3:h:netcommwireless:nl1902:-:::::::*

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

CVE-2022-4873

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools