CVE-2026-38835: w30e firmware vulnerability

CVE-2026-38835: critical vulnerability affecting w30e firmware. Check CVSS, KEV status, business impact and recommended administrator actions.
CVE-2026-38835CVSS 9.8General

CVE-2026-38835: w30e firmware vulnerability

CVE-2026-38835: critical vulnerability affecting w30e firmware. Check CVSS, KEV status, business impact and recommended administrator actions.

CVSS
9.8 CRITICAL
EPSS
80.22%
Known exploited
not in KEV
Product
w30e firmware

What is known

Tenda W30E V2.0 V16.01.0.21 was found to contain a command injection vulnerability in the formSetUSBPartitionUmount function via the usbPartitionName parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Business impact

Successful exploitation of CVE-2026-38835, a critical vulnerability (CVSS 9.8) affecting w30e firmware, may affect the confidentiality, integrity or availability of the vulnerable environment. The exact impact depends on the installed version, exposed interfaces and deployment configuration.

Recommended administrator action

Confirm whether w30e firmware is present and compare installed versions with the vendor advisory and NVD record. Apply the vendor patch or documented mitigation; until remediation is complete, reduce exposure of affected interfaces, review relevant logs and monitor for indicators of exploitation. DataHouse can support version verification, managed patching, network exposure reduction, log review and backup validation for dedicated, cloud and colocated environments.

Sources

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