No exploitation reported

CVE-2020-6882

No exploitation reported by the sources we read.

Published2020-12-21
WeaknessCWE-798

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

ZTE E8810/E8820/E8822 series routers have an information leak vulnerability, which is caused by hard-coded MQTT service access credentials on the device. The remote attacker could use this credential to connect to the MQTT server, so as to obtain information about other devices by sending specific topics. This affects:<ZXHN E8810, ZXHN E8820, ZXHN E8822><E8810 V1.0.26, E8810 V2.0.1, E8820 V1.1.3L, E8820 V2.0.13, E8822 V2.0.13>

Timeline

dates in UTC

2020-12-2118:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-6882?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-6882?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Zte zxhn e8810 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.0	= 1.0.26	no fix published	NVD
2.0	= 2.0.1	no fix published	NVD

Zte zxhn e8820 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.1	= 1.1.3	no fix published	NVD
2.0	= 2.0.13	no fix published	NVD

Zte zxhn e8822 firmwareversion to verify

Branch	Affected	Fixed in	Source
2.0	= 2.0.13	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

support.zte.com.cnVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
NVDweakness (CWE)CWE-798read 2026-10-23
FIRST EPSSEPSS score1.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Published: 2020-12-21
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-6882?

Is CVE-2020-6882 actively exploited?

Active exploitation of CVE-2020-6882 has not been confirmed. Its EPSS score was 1.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-6882?

CVE-2020-6882 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

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