Harmonyos CVE-2026-28536
CRITICAL
Authentication Bypass by Primary Weakness (CWE-305)
2026-03-05
psirt@huawei.com
9.6
CVSS 3.1
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CVSS VectorNVD
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
CVE Published
Mar 05, 2026 - 07:16 nvd
CRITICAL 9.6
DescriptionNVD
Authentication bypass vulnerability in the device authentication module. Impact: Successful exploitation of this vulnerability will affect integrity and confidentiality.
AnalysisAI
Auth bypass in device authentication module.
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RemediationAI
Within 24 hours: Identify and inventory all affected devices; isolate critical systems from untrusted networks; enable enhanced monitoring and logging on authentication events. Within 7 days: Implement network segmentation to restrict lateral movement; deploy compensating controls (WAF rules blocking authentication bypass patterns); brief executive leadership on risk posture. …
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External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).