CVE-2026-21554
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-2026-21554
EUVD
EUVD-2026-52235

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

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.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-21554. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart