What is CVE-2017-8186?

CVE-2017-8186 is a medium-severity vulnerability in Huawei Mha-Al00a, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-11-22.

How severe is CVE-2017-8186?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in Huawei Mha-Al00a

CVE-2017-8186

The Bastet of some Huawei mobile phones with software of earlier than MHA-AL00BC00B231 versions has a DOS vulnerability due to the lack of parameter validation. An attacker may trick a user into installing a malicious APP. The APP can modify specific parameter to cause system reboot.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2017-11-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (43.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Huawei Mha-Al00a
Huawei Technologies Co., Ltd. Mha-Al00a — versions Earlier than MHA-AL00BC00B231 versions

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.huawei.com/en/psirt/security-advisories/huawei-sa-20171018-01-dos-en (Vendor Advisory)

Frequently asked questions

What is CVE-2017-8186?: CVE-2017-8186 is a medium-severity vulnerability in Huawei Mha-Al00a, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2017-11-22.
How severe is CVE-2017-8186?: Medium severity. CVSS v3 base score is 5.5 out of 10.