CVE-2026-21548
Received Received - Intake

Improper Input Validation in NR Modem Leads to Remote DoS

Vulnerability report for CVE-2026-21548, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-03

Last updated on: 2026-08-03

Assigner: Unisoc

Description

In nr modem, there is a possible improper input validation. This could lead to remote denial of service with System execution privileges needed.

CVSS Scores

EPSS Scores

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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
EUVD

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 vulnerability in nr modem involves improper input validation, which could allow a remote attacker to cause a denial of service. The attack requires system execution privileges.

Impact Analysis

The vulnerability may lead to remote denial of service, potentially disrupting services that rely on the affected modem. System execution privileges are needed for exploitation.

Compliance Impact

This vulnerability could lead to remote denial of service, which may impact system availability. For compliance with standards like GDPR or HIPAA, availability is a key requirement, so such disruptions could pose risks to meeting regulatory obligations.

Mitigation Strategies

Apply vendor patches or updates for nr modem. Disable remote access to modem interfaces if not required. Monitor network traffic for unusual activity targeting modem services.

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