CVE-2026-28540 — Improper Neutralization of Null Byte or NUL Character in Huawei Harmonyos

CWE-158 — Improper Neutralization of Null Byte or NUL CharacterCWE-125 — Out-of-bounds Read3 documents3 sources
Severity
3.3LOWNVD
CNA4.0
EPSS
0.0%
top 99.40%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Huawei Harmonyos
Timeline
PublishedMar 5

Description

Out-of-bounds character read vulnerability in Bluetooth. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 1.8 | Impact: 1.4

Affected Packages2 packages

▶CVEListV5huawei/harmonyos5.1.0, 6.0.0+1
▶NVDhuawei/harmonyos5.1.0, 6.0.0+1

🔴Vulnerability Details

2
CVEList
CVE-2026-28540: Out-of-bounds character read vulnerability in Bluetooth↗2026-03-05
▶
GHSA
GHSA-mm89-xrm2-4q7g: Out-of-bounds character read vulnerability in Bluetooth↗2026-03-05
▶
CVE-2026-28540 — Huawei Harmonyos vulnerability | cvebase