VulnerabilityModified

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.

HIGH 7.5EPSS 1.22%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS: 1.22% probability · 67th percentile
CISA KEV: Not listed
Weakness: CWE-798
Affected: zte/zxhn e8810 firmware · zte/zxhn e8820 firmware · zte/zxhn e8822 firmware
Source: psirt@zte.com.cn

References

http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014202Vendor Advisory
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014202Vendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.