CVE-2025-2026

Published Dec 31, 2025 CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Description
The NPort 6100-G2/6200-G2 Series is affected by a high-severity vulnerability (CVE-2025-2026) that allows remote attackers to execute a null byte injection through the device’s web API. This may lead to an unexpected device reboot and result in a denial-of-service (DoS) condition.

An authenticated remote attacker with web read-only privileges can exploit the vulnerable API to inject malicious input. Successful exploitation may cause the device to reboot, disrupting normal operations and causing a temporary denial of service.

Remediation

Vendor Solution

NPort 6100-G2/6200-G2 Series * Update to firmware v1.1.0 or later

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Moxa
Moxa nport 6100-g2 Series
Moxa nport 6200-g2 Series
Vendors & Products Moxa
Moxa nport 6100-g2 Series
Moxa nport 6200-g2 Series
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The NPort 6100-G2/6200-G2 Series is affected by a high-severity vulnerability (CVE-2025-2026) that allows remote attackers to execute a null byte injection through the device’s web API. This may lead to an unexpected device reboot and result in a denial-of-service (DoS) condition. An authenticated remote attacker with web read-only privileges can exploit the vulnerable API to inject malicious input. Successful exploitation may cause the device to reboot, disrupting normal operations and causing a temporary denial of service.
Weaknesses CWE-170
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Moxa
Published
Updated
Dec 31, 2025, 4:07 PM
Reserved
Mar 6, 2025, 2:21 AM
Status
Deferred
Published
Dec 31, 2025, 8:15 AM
Modified
Jun 17, 2026, 9:06 AM