CVE-2022-25213

MediumCVSS 6.8/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 6.8/10CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-798

Affected software

Vendor	Product	Versions
n/a	Phicomm Routers	K3C

References

https://www.tenable.com/security/research/tra-2022-01Exploit, Third Party Advisory
https://www.tenable.com/security/research/tra-2022-01Exploit, Third Party Advisory

Timeline

Published: Mar 10, 2022
Last modified: Jun 17, 2026
NVD status: Modified

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