Is CVE-2021-43160 actively exploited?

No active exploitation of CVE-2021-43160 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-43160 be exploited remotely?

Yes. CVE-2021-43160 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-43160?

CVE-2021-43160 has a CVSS score of 8.8 (HIGH).

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HIGH

CVE-2021-43160

CWE-77Published: May 4, 2022· Updated: Jul 9, 2026

8.8

CVSS v3.1

Official Description

A Remote Code Execution (RCE) vulnerability exists in Ruijie Networks Ruijie RG-EW Series Routers up to ReyeeOS 1.55.1915 / EW_3.0(1)B11P55 via the switchFastDhcp function in /cgi-bin/luci/api/diagnose.

NVD Source

Technical Analysis

CVE-2021-43160 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

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 8.8.