Is CVE-2022-27000 actively exploited?

No active exploitation of CVE-2022-27000 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-27000 be exploited remotely?

Yes. CVE-2022-27000 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-27000?

CVE-2022-27000 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-27000

CWE-77Published: March 15, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Arris TR3300 v1.0.13 was discovered to contain a command injection vulnerability in the time and time zone function via the h_primary_ntp_server, h_backup_ntp_server, and h_time_zone parameters. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

NVD Source

Technical Analysis

CVE-2022-27000 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.