ByteOS Network

NVD Vulnerability Details :

CVE-2022-4873

Modified

Source-cret@cert.org

Published At-11 Jan, 2023 | 21:15

Updated At-04 Nov, 2025 | 20:16

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Secondary	3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Type: Primary

Version: 3.1

Base score: 9.8

Base severity: CRITICAL

Vector:

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

Type: Secondary

Version: 3.1

Base score: 9.8

Base severity: CRITICAL

Vector:

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

CPE Matches

netcommwireless>>nf20_firmware>>Versions before r6b025(exclusive)

cpe:2.3:o:netcommwireless:nf20_firmware:*:*:*:*:*:*:*:*

netcommwireless>>nf20>>-

cpe:2.3:h:netcommwireless:nf20:-:*:*:*:*:*:*:*

netcommwireless>>nf20mesh_firmware>>Versions before r6b025(exclusive)

cpe:2.3:o:netcommwireless:nf20mesh_firmware:*:*:*:*:*:*:*:*

netcommwireless>>nf20mesh>>-

cpe:2.3:h:netcommwireless:nf20mesh:-:*:*:*:*:*:*:*

netcommwireless>>nl1902_firmware>>Versions before r6b025(exclusive)

cpe:2.3:o:netcommwireless:nl1902_firmware:*:*:*:*:*:*:*:*

netcommwireless>>nl1902>>-

cpe:2.3:h:netcommwireless:nl1902:-:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-787	Primary	nvd@nist.gov

CWE ID: CWE-787

Type: Primary

Source: nvd@nist.gov

References

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

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

Source: cret@cert.org

Resource:

Exploit

Third Party Advisory

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

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

Resource:

Exploit

Third Party Advisory

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

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

Resource: N/A

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History