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.

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.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Unisoc (Shanghai) Technologies Co., Ltd. Modem unaffected
Version Status Constraints
UDX710 affected —

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.unisoc.com/en/support/product-security-bulletin/2117818023857520641 cve-icon
History

Wed, 04 Nov 2026 03:30:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Unisoc

Published:

Updated: 2026-11-04T03:56:22.223Z

Reserved: 2026-08-25T06:29:06.599Z

Link: CVE-2026-79405

cve-icon Vulnrichment

No data.

cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses