CVE-2022-4873

Published: Jan 11, 2023Modified: Nov 4, 2025

9.8

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

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.

Affected (3)

Products: Netcommwireless: Nf20 Firmware, Nf20mesh Firmware, Nl1902 Firmware

3 products

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netcommwireless Nf20 Firmware	Before r6b025

Running on/with	Platform Versions
Netcommwireless Nf20	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netcommwireless Nf20mesh Firmware	Before r6b025

Running on/with	Platform Versions
Netcommwireless Nf20mesh	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netcommwireless Nl1902 Firmware	Before r6b025

Running on/with	Platform Versions
Netcommwireless Nl1902	All versions

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (3)

https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md

Source: cret@cert.org

ExploitThird Party Advisory

https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md

Source: af854a3a-2127-422b-91ae-364da2661108

ExploitThird Party Advisory

https://www.kb.cert.org/vuls/id/986018

Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.