CVE-2022-4873

9.8 CRITICAL
Published: January 11, 2023 Modified: November 04, 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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://www.kb.cert.org/vuls/id/986018
Source: af854a3a-2127-422b-91ae-364da2661108

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
10.8%
93th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

netcommwireless