How severe is CVE-2026-38835?

CVE-2026-38835 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-38835 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-38835?

CVE-2026-38835 affects Tenda W30e Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-38835?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-38835 have an EU (EUVD) identifier?

Yes. CVE-2026-38835 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24163.

When was CVE-2026-38835 published?

CVE-2026-38835 was published on 2026-04-21 and last updated on 2026-06-17.

CVE-2026-38835

CVE-2026-38835 is a critical-severity vulnerability in Tenda W30e Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-24163
Weakness: CWE-77
Affected product: Tenda W30e Firmware
Published: 2026-04-21
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-38835?: 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.
How severe is CVE-2026-38835?: CVE-2026-38835 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-38835 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-38835?: CVE-2026-38835 affects Tenda W30e Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-38835?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-38835 have an EU (EUVD) identifier?: Yes. CVE-2026-38835 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24163.
When was CVE-2026-38835 published?: CVE-2026-38835 was published on 2026-04-21 and last updated on 2026-06-17.

References

https://github.com/jsjbcyber/repo/blob/main/rep_2.md

Affected products (1)

cpe:2.3:o:tenda:w30e_firmware:16.01.0.21:*:*:*:*:*:*:*

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