3.5
CVSSv3

CVE-2020-6879

Published: 19/11/2020 Updated: 02/12/2020
CVSS v2 Base Score: 2.7 | Impact Score: 2.9 | Exploitability Score: 5.1
CVSS v3 Base Score: 3.5 | Impact Score: 1.4 | Exploitability Score: 2.1
VMScore: 240
Vector: AV:A/AC:L/Au:S/C:N/I:P/A:N

Vulnerability Summary

Some ZTE devices have input verification vulnerabilities. The devices support configuring a static prefix through the web management page. The restriction of the front-end code can be bypassed by constructing a POST request message and sending the request to the creation of a static routing rule configuration interface. The WEB service backend fails to effectively verify the abnormal input. As a result, the attacker can successfully use the vulnerability to tamper parameter values. This affects: ZXHN Z500 V1.0.0.2B1.1000 and ZXHN F670L V1.1.10P1N2E. This is fixed in ZXHN Z500 V1.0.1.1B1.1000 and ZXHN F670L V1.1.10P2N2.

Vulnerability Trend

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zte zxhn_z500_firmware v1.0.0.2b1.1000

zte zxhn_f670l_firmware v1.1.10p1n2e