CVE-2020-6870

What it is

The version V12.17.20T115 of ZTE U31R20 product is impacted by a design error vulnerability. An attacker could exploit the vulnerability to log in to the FTP server to tamper with the password, and illegally download, modify, upload, or delete files, causing improper operation of the network management system and equipment. This affects: NetNumenU31R20 V12.17.20T115

At a glance

Exploitability

Can be exploited from the same network segment with a low-privilege account. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.6% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2020-06-24 16:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 03:23 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.6% in the next 30 days (EPSS).
• Severity: 8.0 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2020-06-24 16:15 UTC

Last modified

2026-06-17 03:23 UTC

Exploit probability

0.6% · EPSS, next 30 days

Record status

Modified

Affected

• Zte Netnumen u31 r10 Firmware v12.17.20t115

Attack profile CVSS 3.1 · 8.0

Attack vector

Adjacent network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-6870.md and follow it. Check whether this project is affected by CVE-2020-6870. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

Copy as ticket · More options · Status badge