CVE-2026-21554

Improper Input Validation in Unisoc UDX710 Modem Leading to Remote Denial of Service

Published Aug 3, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed

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 Unisoc
Unisoc udx710
Vendors & Products Unisoc
Unisoc udx710
Type Values Removed Values Added
Title Improper Input Validation in Unisoc UDX710 Modem Leading to Remote Denial of Service
Type Values Removed Values Added
Weaknesses CWE-20
Metrics ssvc

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

Type Values Removed Values Added
Description In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Unisoc
Published
Updated
Aug 3, 2026, 11:25 AM
Reserved
Dec 31, 2025, 7:33 AM
Status
Deferred
Published
Aug 3, 2026, 8:17 AM
Modified
Oct 23, 2026, 10:10 PM