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.
References (2)
Core 2
Core References
Exploit, Third Party Advisory
https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md
Third Party Advisory, US Government Resource
https://www.kb.cert.org/vuls/id/986018
Scores
CVSS v3
9.8
EPSS
0.0209
EPSS Percentile
84.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
total
Details
InTheWild.io
2023-01-18
CWE
CWE-787
Status
published
Products (3)
netcommwireless/nf20_firmware
< r6b025
netcommwireless/nf20mesh_firmware
< r6b025
netcommwireless/nl1902_firmware
< r6b025
Published
Jan 11, 2023
Tracked Since
Feb 18, 2026