# CVE-2026-101173: Huawei HarmonyOS DSoftBus denial of service

Source: https://junglewise.ai/threats/cve-2026-101173-dos-vulnerability-in-the-dsoftbus-module-impact-successful  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-11-02. Updated: 2026-11-02  
License: CC BY 4.0 with a link back

CVE-2026-101173 · Severity: medium · CVSS 6.5 · Published 2026-11-02

HarmonyOS is Huawei's mobile and embedded operating system used in smartphones and smart devices. A denial of service vulnerability in the DSoftBus inter-process communication module could allow an attacker to crash or hang affected devices, disrupting their normal operation and availability.

Technologies: [Huawei Harmonyos](https://junglewise.ai/threats/technologies/harmonyos). Vendors: [Huawei](https://junglewise.ai/threats/vendors/huawei).

## Quick answers

**Is CVE-2026-101173 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-101173 being exploited in the wild.

**How severe is CVE-2026-101173?** Medium severity, with a CVSS score of 6.5, published 2 November 2026.

**Which products and versions are affected?** Huawei Harmonyos 7.0.0, 6.1.0.

**Is there a fix for CVE-2026-101173?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2026-101173?** Check whether you run Huawei Harmonyos at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

CVE-2026-101173 is a denial of service vulnerability in the DSoftBus module of HarmonyOS. An attacker can exploit this to cause availability impact, likely through improper handling of messages or state in the DSoftBus communication channel. The vulnerability affects HarmonyOS 7.0.0 and 6.1.0; specific attack vectors and preconditions are not detailed in the advisory.

## Affected products

- Huawei HarmonyOS 7.0.0, 6.1.0

## Timeline

- 2026-10-02: disclosed: Published in Huawei security bulletin

## References

- [https://consumer.huawei.com/en/support/bulletin/2026/10/](https://consumer.huawei.com/en/support/bulletin/2026/10/)
- [https://consumer.huawei.com/en/support/bulletinvision/2026/10/](https://consumer.huawei.com/en/support/bulletinvision/2026/10/)

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