CVE-2022-4873
moderate-risk
Published 2023-01-11
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.
Do I need to act?
~
2.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10
Critical
NETWORK
/ LOW complexity
Affected Products (3)
Nf20 Firmware
Nf20Mesh Firmware
Nl1902 Firmware
Affected Vendors
46
/ 100
moderate-risk
Severity
32/34 · Critical
Exploitability
5/34 · Minimal
Exposure
9/34 · Low