Cyber Resilience

CVE-2026-28536

Auth Bypass in Huawei Harmonyos 5.1.0 … 6.0.0

Published
05 March 2026
Modified
06 March 2026
Patch / advisory
CVSS Score v3.1 9.6
Click a component to see what it means
Raw vectorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0018 8th percentile
Risk Priority 66 floored blend · peak EPSS

Summary

CVE-2026-28536 is a critical-severity Authentication Bypass by Primary Weakness (CWE-305) vulnerability in Huawei Harmonyos. Its CVSS base score is 9.6 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified map to IA-2 (Identification and Authentication (Organizational Users)) and IA-8 (Identification and Authentication (Non-organizational Users)) — see the control section below for these in your framework.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

CVE-2026-28536 is an authentication bypass vulnerability in the device authentication module affecting Huawei consumer devices. Published on 2026-03-05T07:16:13.660, it carries a CVSS v3.1 base score of 9.6 (AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H) and is linked to CWE-305. Successful exploitation impacts integrity and confidentiality.

The vulnerability can be exploited by unauthenticated attackers on an adjacent network, requiring low complexity and no user interaction. Exploitation allows attackers to bypass authentication, resulting in high impacts to confidentiality, integrity, and availability with a changed scope.

Huawei has published security bulletins addressing this issue, available at https://consumer.huawei.com/en/support/bulletin/2026/3/, https://consumer.huawei.com/en/support/bulletinlaptops/2026/3/, and https://consumer.huawei.com/en/support/bulletinvision/2026/3/.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

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

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2025-53167Same product: Huawei Harmonyos
CVE-2025-54622Same product: Huawei Harmonyos
CVE-2025-31174Same product: Huawei Harmonyos
CVE-2023-39407Same product: Huawei Harmonyos
CVE-2025-58292Same product: Huawei Harmonyos
CVE-2025-54652Same product: Huawei Harmonyos
CVE-2025-54653Same product: Huawei Harmonyos
CVE-2025-58286Same product: Huawei Harmonyos
CVE-2025-54620Same product: Huawei Harmonyos
CVE-2025-54640Same product: Huawei Harmonyos

Affected Assets

huawei
harmonyos
5.1.0, 6.0.0

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)
  • 5 hardening rules · 3 OS baselines
Validate
Prove the fix (OWASP ASVS)
  • V6.4.3
  • V7.2.4

Mitigating Controls (NIST 800-53 r5) AI

Requires unique identification and authentication of users, structurally blocking bypass of the mechanism.

Requires unique identification and authentication of non-organizational users, blocking bypass paths.

Enforces approved authorizations so a bypass weakness cannot be exploited to reach resources.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 full match
prevents

Secure development practices throughout the SDLC prevent the primary weaknesses that enable authentication bypass.

PR.AA-03 mostly match
prevents

Strong authentication mechanisms and policy enforcement directly reduce bypass opportunities arising from implementation flaws.

ID.RA-01 partial match
prevents

Identifying and recording vulnerabilities catches the primary weaknesses that allow authentication bypass.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Security testing can detect authentication bypass conditions before deployment.

prevents

Secure development lifecycle reduces likelihood of introducing bypass flaws during implementation.

prevents

Secure coding practices help prevent the primary weakness that enables authentication bypass.

mitigates

Information access restriction complements authentication by limiting what can be reached even if bypass occurs.

prevents

Secure authentication mechanisms directly address bypass risks in the implemented authentication process.

Hardening callouts derived

Configuration rules from DISA STIG baselines that bear on weaknesses of the type cited by this CVE. Each rule is shown with the relationship its mapping actually records, against the CWE it was authored against. Derived via CVE→CWE over `controls_xwalks` (authoritative rows only; rows rated `none` are excluded).

Ubuntu 22.04 (1 rule)
  • V-260470 Ubuntu 22.04 LTS, when booted, must require authentication upon booting into single-user and maintenance modes. prevents CWE-305
Ubuntu 24.04 (1 rule)
  • V-270675 Ubuntu 24.04 LTS when booted must require authentication upon booting into single-user and maintenance modes. prevents CWE-305

References