CVE-2026-21548
Received Received - Intake

Improper Input Validation in NR Modem Leads to Remote DoS

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.

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Meta Information

Published
2026-08-03
Last Modified
2026-08-03
Generated
2026-08-23
AI Q&A
2026-08-03
EPSS Evaluated
2026-08-22
NVD
CVE-2026-21548
EUVD
EUVD-2026-52229

Affected Vendors & Products

Currently, no data is known.

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Exploitability

CWE
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KEV
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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.

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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.

Detection Guidance

Detection methods for this vulnerability are not specified in the provided CVE details. Since it involves nr modem with improper input validation leading to remote denial of service, monitoring modem logs for unusual activity or crashes may help. Check for system crashes or hangs in modem-related processes.

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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