Origin validation error in <ZXHN E8810, ZXHN E8820, ZXHN E8822>
Priority LOW 34CWE-346Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-346.
Summary
ZTE E8810/E8820/E8822 series routers have an MQTT DoS vulnerability, which is caused by the failure of the device to verify the validity of abnormal messages. A remote attacker could connect to the MQTT server and send an MQTT exception message to the specified device, which will cause the device to deny service. 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>
Why it matters now
EPSS 0.00587 48th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | <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> | — | No fix listed | CNA |
- <ZXHN E8810, ZXHN E8820, ZXHN E8822> Vendor— Affected <E8810 V1.0.26, E8810 V2.0.1, E8820 V1.1.3L, E8820 V2.0.13, E8822 V2.0.13> Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:zte:zxhn_e8810_firmware:1.0.26:*:*:*:*:*:*:* | 1.0.26 | Vulnerable | ZTE |
| cpe:2.3:o:zte:zxhn_e8810_firmware:2.0.1:*:*:*:*:*:*:* | 2.0.1 | Vulnerable | ZTE |
| cpe:2.3:h:zte:zxhn_e8810:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ZTE |
| cpe:2.3:o:zte:zxhn_e8820_firmware:1.1.3:*:*:*:*:*:*:* | 1.1.3 | Vulnerable | ZTE |
| cpe:2.3:o:zte:zxhn_e8820_firmware:2.0.13:*:*:*:*:*:*:* | 2.0.13 | Vulnerable | ZTE |
| cpe:2.3:h:zte:zxhn_e8820:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ZTE |
| cpe:2.3:o:zte:zxhn_e8822_firmware:2.0.13:*:*:*:*:*:*:* | 2.0.13 | Vulnerable | ZTE |
| cpe:2.3:h:zte:zxhn_e8822:-:*:*:*:*:*:*:* | not specified by NVD | Running on | ZTE |
- cpe:2.3:o:zte:zxhn_e8810_firmware:1.0.26:*:*:*:*:*:*:* Versions 1.0.26 Vulnerable ·ZTE
- cpe:2.3:o:zte:zxhn_e8810_firmware:2.0.1:*:*:*:*:*:*:* Versions 2.0.1 Vulnerable ·ZTE
- cpe:2.3:h:zte:zxhn_e8810:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE
- cpe:2.3:o:zte:zxhn_e8820_firmware:1.1.3:*:*:*:*:*:*:* Versions 1.1.3 Vulnerable ·ZTE
- cpe:2.3:o:zte:zxhn_e8820_firmware:2.0.13:*:*:*:*:*:*:* Versions 2.0.13 Vulnerable ·ZTE
- cpe:2.3:h:zte:zxhn_e8820:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE
- cpe:2.3:o:zte:zxhn_e8822_firmware:2.0.13:*:*:*:*:*:*:* Versions 2.0.13 Vulnerable ·ZTE
- cpe:2.3:h:zte:zxhn_e8822:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·ZTE
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-6881
- 2026-10-03 Alias added: GHSA-f6c6-g5xq-fvm6
References
More ZTE Zxhn E8810 Firmware vulnerabilities
- TI-2020-05586 Hard-coded credentials in <ZXHN E8810, ZXHN E8820, ZXHN E8822> CVSS 3.1HIGH 7.5
Sources
- CVE-2020-6881 · CVE Program
- CVE-2020-6881 · NVD
- FIRST EPSS
- GHSA-f6c6-g5xq-fvm6 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences