CVE-2026-62416

Unauthenticated File Upload in Sharp Network Scanner Tools Exposes DoS and Potential Execution Risk

Published Aug 3, 2026 CVSS 4.0 · 6.9 Medium EPSS < 1% KEV · Not listed
Description
Network Scanner Tool and Network Scanner Tool Lite provided by Sharp Corporation, with the initial configuration, require no authentication and accept files unlimitedly. When the affected products are used with the initial configuration, anyone can connect to them without authentication and upload files unlimitedly. This may cause a denial-of-service (DoS) condition on the PC. Furthermore, if a malicious file is uploaded, a PC user may be tricked to execute the file to attack other entities from that PC.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Sharp Corporation
Sharp Corporation network Scanner Tool (bundled Software For Sharpdesk)
Sharp Corporation network Scanner Tool Lite
Vendors & Products Sharp Corporation
Sharp Corporation network Scanner Tool (bundled Software For Sharpdesk)
Sharp Corporation network Scanner Tool Lite
Type Values Removed Values Added
Title Unauthenticated File Upload in Sharp Network Scanner Tools Exposes DoS and Potential Execution Risk
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Network Scanner Tool and Network Scanner Tool Lite provided by Sharp Corporation, with the initial configuration, require no authentication and accept files unlimitedly. When the affected products are used with the initial configuration, anyone can connect to them without authentication and upload files unlimitedly. This may cause a denial-of-service (DoS) condition on the PC. Furthermore, if a malicious file is uploaded, a PC user may be tricked to execute the file to attack other entities from that PC.
Weaknesses CWE-1188
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
jpcert
Published
Updated
Aug 3, 2026, 11:09 AM
Reserved
Jul 14, 2026, 7:22 AM
Status
Awaiting Analysis
Published
Aug 3, 2026, 9:17 AM
Modified
Aug 3, 2026, 5:40 PM