SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-28536

Authentication bypass vulnerability in the device authentication module.

HIGH 8.1EPSS 0.18%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Authentication bypass vulnerability in the device authentication module. Impact: Successful exploitation of this vulnerability will affect integrity and confidentiality.

CVSS 3.1
8.1 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
0.18% probability · 8th percentile
CISA KEV
Not listed
Weakness
CWE-305
Affected
huawei/harmonyos
Source
psirt@huawei.com

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