What’s Vulnerable › Vulnerabilities

CVE-2020-9122

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-12 · updated 2026-06-17
• Weakness: CWE-20

Description

Some Huawei products have an insufficient input verification vulnerability. Attackers can exploit this vulnerability in the LAN to cause service abnormal on affected devices.Affected product versions include:HiRouter-CD30-10 version 10.0.2.5;HiRouter-CT31-10 version 10.0.2.20;WS5200-12 version 10.0.1.9;WS5281-10 version 10.0.5.10;WS5800-10 version 10.0.3.25;WS7100-10 version 10.0.5.21;WS7200-10 version 10.0.5.21.

Affected products

• Huawei Hirouter-Cd30-10 Firmware: from 10.0.2.5 before 10.0.5.7 — fixed in 10.0.5.7
• Huawei Hirouter-Ct31-10 Firmware: from 10.0.2.20 before 10.0.2.37 — fixed in 10.0.2.37
• Huawei Ws5200-12 Firmware: from 10.0.1.9 through 10.0.5.6
• Huawei Ws5281-10 Firmware: from 10.0.5.10 before 10.0.5.32 — fixed in 10.0.5.32
• WS5800-10: from 10.0.3.25 before 10.0.3.33 — fixed in 10.0.3.33
• Huawei Ws7100-10 Firmware: from 10.0.5.21 before 10.0.5.37 — fixed in 10.0.5.37
• WS7200-10: from 10.0.5.21 before 10.0.5.37 — fixed in 10.0.5.37

How to fix

Upgrade to a fixed version: Huawei Hirouter-Cd30-10 Firmware 10.0.5.7; Huawei Hirouter-Ct31-10 Firmware 10.0.2.37; Huawei Ws5281-10 Firmware 10.0.5.32; WS5800-10 10.0.3.33; Huawei Ws7100-10 Firmware 10.0.5.37; WS7200-10 10.0.5.37. Check the vendor advisory for mitigations.

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-01-verification-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200930-01-verification-en

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