CVE-2022-4873

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Jan 11, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2022-4873: Critical severity, CVSS 9.8 | Vulnix