CyberSecBulletin
CVE-2025-48905NVD status: Analyzed

HarmonyOS: Inconsistency Between Implementation and Documented Design

Published Updated By the CyberSecBulletin desk

CVE-2025-48905 is a high-severity inconsistency between implementation and documented design vulnerability in HarmonyOS from Huawei, with a CVSS 3.1 base score of 8.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected HarmonyOS versions: 5.0.0. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.31% chance of exploitation within 30 days, which is low compared with other CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Check which version of HarmonyOS you run against the affected versions below, and install the vendor's latest release.
  2. Read the advisory on consumer.huawei.com for workarounds and exact fixed builds.
  3. Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.

Affected products and versions

VendorProductAffected versionsFixed in
HuaweiHarmonyOS5.0.0Not 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
HighSuccess depends on conditions outside the attacker's control.
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
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (huawei.com).

Official description

Wasm exception capture vulnerability in the arkweb v8 module Impact: Successful exploitation of this vulnerability may cause the failure to capture specific Wasm exception types.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Inconsistency Between Implementation and Documented Design

The implementation of the product is not consistent with the design as described within the relevant documentation.

More Inconsistency Between Implementation and Documented Design vulnerabilities (CWE-1068)

Timeline

  1. CVE record published.
  2. CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
  3. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in HarmonyOS

All HarmonyOS vulnerabilities

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