What is CVE-2021-37028?

CVE-2021-37028 is a medium-severity vulnerability in Huawei Hg8045q, classified under OS Command Injection. CVSS score: 6.7/10. Published 2021-08-13.

How severe is CVE-2021-37028?

Medium severity. CVSS v3 base score is 6.7 out of 10.

RCE in Huawei Hg8045q

CVE-2021-37028

There is a command injection vulnerability in the HG8045Q product. When the command-line interface is enabled, which is disabled by default, attackers with administrator privilege could execute part of commands.

Vulnerability class: Command Injection (OS Command Injection)

Published 2021-08-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (25.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Huawei Hg8045q
Huawei Hg8045q Firmware — versions v300r016c00spc110, v300r018c10
Echolife Hg8045q — versions V300R016C00,V300R018C10

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

support.huawei.com/carrier/navi (Permissions Required, Vendor Advisory)
jvn.jp/en/jp/JVN41646618/index.html (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2021-37028?: CVE-2021-37028 is a medium-severity vulnerability in Huawei Hg8045q, classified under OS Command Injection. CVSS score: 6.7/10. Published 2021-08-13.
How severe is CVE-2021-37028?: Medium severity. CVSS v3 base score is 6.7 out of 10.