In modem, there is a possible improper input validation. This could lead to remote denial of service with no additional execution privileges needed

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00403.

Exploitation none

Automatable yes

Technical Impact partial

Affected Vendors & Products

No data.

No data.

No data.

No data.

References
Link Providers
https://www.unisoc.com/en/support/product-security-bulletin/2084109408382668801 cve-icon
History

Mon, 03 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-20
Metrics ssvc

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

Mon, 03 Aug 2026 08:00:00 +0000

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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: Unisoc

Published:

Updated: 2026-08-03T14:25:44.241Z

Reserved: 2025-12-31T07:33:23.119Z

Link: CVE-2026-21549

cve-icon Vulnrichment

Updated: 2026-08-03T14:25:37.494Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.