CVE-2021-23147

6.8 mediumEPSS 0.4%

Medium (6.8) in netgear r6700 firmware. EPSS 0.4% chance of exploitation in the next 30 days.

Netgear Nighthawk R6700 version 1.0.4.120 does not have sufficient protections for the UART console. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection and execute commands as the root user without authentication.

Severity

CVSS 3.1

6.8 medium

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 31% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2021-12-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

netgear:r6700_firmware

References

https://www.tenable.com/security/research/tra-2021-57
https://www.tenable.com/security/research/tra-2021-57

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