CVE-2022-25213: Improper physical access control and use of hard-coded credentials in /etc/passwd permits an attacker with physical access to obtain a root shell via an…

PriorityP430medium6.8CVSS 3.1

AVPACLPRNUINSUCHIHAH

EPSS

0.36%

28.2th percentile

Improper physical access control and use of hard-coded credentials in /etc/passwd permits an attacker with physical access to obtain a root shell via an unprotected UART port on the device. The same port exposes an unauthenticated Das U-Boot BIOS shell.

Affected

5 ranges

Vendor	Product	Version range	Fixed in
phicomm	k2_firmware	<= 22.5.9.163	—
phicomm	k2g_firmware	<= 22.6.3.20	—
phicomm	k2p_firmware	<= 20.4.1.7	—
phicomm	k3_firmware	<= 21.5.37.246	—
phicomm	k3c_firmware	<= 32.1.15.93	—

CVSS provenance

nvdv3.16.8MEDIUMCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.2HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C

cisa9.8CRITICAL

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