CVE-2026-79405

Improper Input Validation in Modem Firmware

Published Nov 4, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Transient DOS when processing a malformed NR RRC configuration message due to improper input validation.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Description In Modem Firmware, there is a possible system crash due to improper input validation of dedicated PUCCH configuration. This could lead to remote denial of service with no additional execution privileges needed. Transient DOS when processing a malformed NR RRC configuration message due to improper input validation.
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Unisoc
Unisoc modem
Vendors & Products Unisoc
Unisoc modem
Type Values Removed Values Added
Description In Modem Firmware, there is a possible system crash due to improper input validation of dedicated PUCCH configuration. This could lead to remote denial of service with no additional execution privileges needed.
Title Improper Input Validation in Modem Firmware
Weaknesses CWE-20
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
Nov 5, 2026, 6:37 AM
Reserved
Aug 25, 2026, 6:29 AM
Status
Deferred
Published
Nov 4, 2026, 4:17 AM
Modified
Nov 12, 2026, 9:36 PM