CVE-2025-35978

Authenticated code execution through unrestricted communication channel

Published Jun 12, 2025 · Updated Jun 12, 2025

Improper channel restriction in Fujitsu UpdateNavi V1.4 L10 through L33 allows local users to execute arbitrary code through malicious data. UpdateNaviInstallService 1.2.0091 through 1.2.0125 is also affected; public materials do not identify the endpoint, transport, or failed validation. An authenticated local session is required, and exploitation can also modify arbitrary Windows Registry values.

CVSS severity6.9
Medium
EPSS probability0.13%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Improper channel restriction in Fujitsu UpdateNavi V1.4 L10 through L33 allows local users to execute arbitrary code through malicious data. UpdateNaviInstallService 1.2.0091 through 1.2.0125 is also affected; public materials do not identify the endpoint, transport, or failed validation. An authenticated local session is required, and exploitation can also modify arbitrary Windows Registry values.

The record

CVE
CVE-2025-35978
Published
Jun 12, 2025
Updated
Jun 12, 2025
Vendor
Fujitsu Client Computing Limited
Product
UpdateNavi
Classifications
CWE-923, T1112
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 12, 2025CVE publishedPublication date reported by the CVE source.
  2. Jun 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=V1.4 L10 to L33

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Fujitsu Client Computing Limited · UpdateNaviversion=V1.4 L10 to L33
Fujitsu Client Computing Limited · UpdateNaviInstallServiceversion=Service 1.2.0091 to 1.2.0125

Published CVSS scores

7.1JPCERT/CCCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
6.9JPCERT/CCCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-923Improper Restriction of Communication Channel to Intended Endpoints
T1112Modify Registry

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo