HarmonyOS: Incorrect Access of Indexable Resource
CVE-2025-54628 is a high-severity incorrect access of indexable resource vulnerability in HarmonyOS from Huawei, with a CVSS 3.1 base score of 7.5 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected HarmonyOS versions: 5.1.0; 5.0.1; 4.3.1, and others listed below. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.26% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of HarmonyOS you run against the affected versions below, and install the vendor's latest release.
- Read the advisory on consumer.huawei.com for workarounds and exact fixed builds.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Huawei | HarmonyOS | 5.1.0; 5.0.1; 4.3.1; 4.3.0; 4.2.0; 4.0.0 | Not stated |
| Huawei | EMUI | 15.0.0; 14.0.0 | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- NoneNo data is disclosed.
- Integrity
- NoneNothing can be modified.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 5.3 | Medium | CNA (huawei.com) |
| CVSS 3.1 | 7.5 | High | NVD |
Official description
Vulnerability of incomplete verification information in the communication module. Impact: Successful exploitation of this vulnerability may affect availability.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Incorrect Access of Indexable Resource
The product does not restrict or incorrectly restricts operations within the boundaries of a resource that is accessed using an index or pointer, such as memory or files.
More Incorrect Access of Indexable Resource vulnerabilities (CWE-118)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: yes, technical impact: partial).
- Record last changed materially (score, affected products, status or references).
References
Other vulnerabilities in HarmonyOS
- 7.1 High severity
- 8.6 High severity
Recent Incorrect Access of Indexable Resource vulnerabilities
- 7.8 High severity
- 7.8 High severity
- 7.8 High severity
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