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CRITICAL · 9.8

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 overw...

Vulnerability 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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
NetcommwirelessNf20 Firmware< r6b025
NetcommwirelessNf20-
NetcommwirelessNf20Mesh Firmware< r6b025
NetcommwirelessNf20Mesh-
NetcommwirelessNl1902 Firmware< r6b025
NetcommwirelessNl1902-

Related Weaknesses (CWE)

CWE-787

References

FAQ

What is CVE-2022-4873?

CVE-2022-4873 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 overw...

How severe is CVE-2022-4873?

CVE-2022-4873 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-4873?

Check the references section above for vendor advisories and patch information. Affected products include: Netcommwireless Nf20 Firmware, Netcommwireless Nf20, Netcommwireless Nf20Mesh Firmware, Netcommwireless Nf20Mesh, Netcommwireless Nl1902 Firmware.