Is CVE-2020-6871 actively exploited?

No active exploitation of CVE-2020-6871 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2020-6871 be exploited remotely?

Yes. CVE-2020-6871 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2020-6871?

CVE-2020-6871 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2020-6871

CRITICAL

CVE-2020-6871

CWE-287Published: July 20, 2020· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

The server management software module of ZTE has an authentication issue vulnerability, which allows users to skip the authentication of the server and execute some commands for high-level users. This affects: <R5300G4V03.08.0100/V03.07.0300/V03.07.0200/V03.07.0108/V03.07.0100/V03.05.0047/V03.05.0046/V03.05.0045/V03.05.0044/V03.05.0043/V03.05.0040/V03.04.0020;R8500G4V03.07.0103/V03.07.0101/V03.06.0100/V03.05.0400/V03.05.0020;R5500G4V03.08.0100/V03.07.0200/V03.07.0100/V03.06.0100>

NVD Source

Technical Analysis

CVE-2020-6871 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.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.