CVE-2026-21552
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

CVSS Scores

EPSS Scores

Probability:
Percentile:

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-2026-21552
EUVD
EUVD-2026-52233

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
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.

Impact Analysis

An attacker could exploit this to disrupt modem functionality remotely, causing network outages or device unavailability without requiring access to your system.

Compliance Impact

This vulnerability could lead to remote denial of service, which may impact availability of systems. For GDPR, availability is a key principle, so prolonged outages could raise compliance concerns. For HIPAA, similar availability requirements exist for protected health information systems. However, the provided CVE details do not specify direct impacts on compliance frameworks.

Mitigation Strategies

Apply security patches or updates from the vendor if available. Monitor network traffic for unusual activity. Disable unnecessary network services to reduce attack surface. Implement network segmentation to limit exposure.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-21552. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart