Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-6881

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>

Published

2020-12-21T18:15:16.713

Last Modified

2024-11-21T05:36:20.723

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: PARTIAL
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-346
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System zte zxhn_e8810_firmware 1.0.26 Yes
Operating System zte zxhn_e8810_firmware 2.0.1 Yes
Hardware zte zxhn_e8810 - No
Operating System zte zxhn_e8820_firmware 1.1.3 Yes
Operating System zte zxhn_e8820_firmware 2.0.13 Yes
Hardware zte zxhn_e8820 - No
Operating System zte zxhn_e8822_firmware 2.0.13 Yes
Hardware zte zxhn_e8822 - No
References