CVE-2026-21555
Received Received - Intake

Improper Input Validation in Modem Leads to DoS

Publication date: 2026-08-03

Last updated on: 2026-08-03

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

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Meta Information

Published
2026-08-03
Last Modified
2026-08-03
Generated
2026-08-03
AI Q&A
2026-08-03
EPSS Evaluated
N/A
NVD
CVE-2026-21555
EUVD
EUVD-2026-52220

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a denial of service vulnerability in modem software where improper input validation could allow remote attackers to crash the system without needing special privileges.

Impact Analysis

An attacker could exploit this to make your device unresponsive or crash, disrupting normal operations like calls or data services.

Compliance Impact

This vulnerability could lead to remote denial of service, which may impact availability of systems. However, the provided CVE data does not specify direct implications for compliance with standards like GDPR or HIPAA. Denial of service risks could indirectly affect data processing integrity or availability requirements under such regulations.

Mitigation Strategies

Apply security patches or updates provided by the vendor if available. Monitor network traffic for unusual activity and restrict access to vulnerable systems until patched.

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