CVE-2022-4873

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.

CVSS v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md	Exploit Third Party Advisory
https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md	Exploit Third Party Advisory
https://www.kb.cert.org/vuls/id/986018

Configurations

Configuration 1 (hide)

AND

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

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

Configuration 2 (hide)

AND

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

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

Configuration 3 (hide)

AND

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

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

History

04 Nov 2025, 20:16

Type	Values Removed	Values Added
References		() https://www.kb.cert.org/vuls/id/986018 -

21 Nov 2024, 07:36

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-01-11 21:15

Updated : 2025-11-04 20:16

NVD link : CVE-2022-4873

Mitre link : CVE-2022-4873

CVE.ORG link : CVE-2022-4873

JSON object : View

Products Affected

netcommwireless

nf20
nf20mesh_firmware
nl1902
nl1902_firmware
nf20mesh
nf20_firmware

CWE

CWE-787

Out-of-bounds Write

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