CVE-2026-43830
Received Received - Intake

Command Injection in Firmware Upgrade Process

Publication date: 2026-07-31

Last updated on: 2026-07-31

Assigner: CSA

Description
Full details and mitigation steps are currently restricted and will be published at a later date.

CVSS Scores

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Meta Information

Published
2026-07-31
Last Modified
2026-07-31
Generated
2026-08-20
AI Q&A
2026-07-31
EPSS Evaluated
2026-08-19
NVD
CVE-2026-43830
EUVD
EUVD-2026-51386

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-77 The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.

Attack-Flow Graph

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Executive Summary

This is a command injection vulnerability that allows an attacker to execute arbitrary commands during the firmware upgrade file verification process. It occurs when the system fails to properly sanitize input during firmware checks.

Detection Guidance

Detection of this command injection vulnerability requires monitoring firmware upgrade processes and network traffic during file verification. Check logs for unexpected command execution during firmware updates. Inspect network traffic for unusual payloads in upgrade files. Use intrusion detection systems to flag suspicious activity during firmware verification steps.

Impact Analysis

An attacker could exploit this to run malicious commands on the affected system, potentially leading to unauthorized access, data theft, or system compromise. The high CVSS score indicates significant risk.

Compliance Impact

The vulnerability allows arbitrary command execution during firmware upgrade verification, which could compromise system integrity and data confidentiality. This may violate compliance requirements under GDPR (data protection) and HIPAA (health data security) by enabling unauthorized access or data breaches.

Mitigation Strategies

Disable firmware upgrade file verification temporarily if possible. Monitor network traffic for suspicious commands during upgrade processes. Apply patches or updates from the vendor immediately once available.

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