High severity · published Dec 21, 2020
CVE-2020-6882
ZTE E8810/E8820/E8822 series routers have an information leak vulnerability, which is caused by hard-coded MQTT service access credentials on the device
7.5
CVSS
1.2%
EPSS
No
On KEV
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>
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 69% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZE
Zxhn E8810 Firmware · Zte
1.0.26; 2.0.1 · source: NVD
ZE
Zxhn E8820 Firmware · Zte
1.1.3; 2.0.13 · source: NVD
ZE
Zxhn E8822 Firmware · Zte
2.0.13 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-6882
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-6882
Vendor Advisory
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014202
More from Zxhn E8810 Firmware
7.5
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