CVE-2026-21554

Deferred Deferred - Pending Action

BaseFortify

Publication date: 2026-08-03

Last updated on: 2026-08-28

Assigner: Unisoc

Description

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

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-03

Last Modified

2026-08-28

Generated

2026-10-19

AI Q&A

2026-08-03

EPSS Evaluated

2026-10-18

NVD

CVE-2026-21554

EUVD

EUVD-2026-52235

Affected Vendors & Products

Vendor	Product	Version / Range
Unisoc	(Shanghai)	Technologies Co., Ltd. UDX710 Yocto

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-20	The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper input validation in a modem component. It allows remote attackers to cause a denial of service without needing additional privileges.

Detection Guidance

This vulnerability involves improper input validation leading to remote denial of service. Detection may require monitoring for unusual network traffic patterns or crashes in modem components. No specific commands are provided in the available context.

Impact Analysis

The vulnerability could disrupt modem functionality remotely, leading to loss of network connectivity or device unavailability. No special access is required for exploitation.

Compliance Impact

This vulnerability could lead to remote denial of service, which may impact availability of systems. Compliance with standards like GDPR or HIPAA often requires maintaining system availability and integrity, so such disruptions could pose risks to compliance.

Mitigation Strategies

Apply security patches or updates provided by the vendor if available. Monitor network traffic for unusual activity. Disable unnecessary modem services if possible. Ensure firewalls are properly configured to block potential attack vectors.

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