CVE-2026-79405: Improper Input Validation in Modem Firmware

CVE-2026-79405 PUBLISHED CVSS 7.5 HIGH

Improper Input Validation in Modem Firmware

Reported by unisoc · Published November 4, 2026

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.

Risk scores

CVSS 3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

Vendor	Product	Versions
Unisoc (Shanghai) Technologies Co., Ltd.	Modem	UDX710
Unisoc (Shanghai) Technologies Co., Ltd.	Modem	*

Timeline

Nov 4, 2026 EPSS Score
Nov 4, 2026 Coalition ESS Score
Nov 4, 2026 CVE Published
Nov 5, 2026 CVE Updated

Query this with the API

The same record, from the CLI:

vulnetix vdb vuln CVE-2026-79405
vulnetix vdb fixes CVE-2026-79405

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curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
  "https://api.vdb.vulnetix.com/v2/vuln/CVE-2026-79405/fixes/registry"

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References

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