CVE-2022-4873

EUVD-2022-52133
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA-ADPADP
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 83%
Affected Products (NVD)
VendorProductVersion
netcommwirelessnf20_firmware
𝑥
< r6b025
netcommwirelessnf20mesh_firmware
𝑥
< r6b025
netcommwirelessnl1902_firmware
𝑥
< r6b025
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md
https://github.com/scarvell/advisories/blob/main/2022_netcomm_nf20mesh_unauth_rce.md
https://www.kb.cert.org/vuls/id/986018