What is CVE-2026-38834?

CVE-2026-38834 is a high-severity vulnerability in Tenda W30e, classified under Command Injection. CVSS score: 7.3/10. Published 2026-04-21.

How severe is CVE-2026-38834?

High severity. CVSS v3 base score is 7.3 out of 10.

RCE in Tenda W30e

CVE-2026-38834

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

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-04-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.016 (74.7th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.016 · change: +0.003

Affected products

Tenda W30e — versions 2.0
Tenda W30e Firmware — versions 16.01.0.21

Weakness classification (CWE)

CWE-77 — Command Injection

References

github.com/jsjbcyber/repo/blob/main/rep_1.md (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2026-38834?: CVE-2026-38834 is a high-severity vulnerability in Tenda W30e, classified under Command Injection. CVSS score: 7.3/10. Published 2026-04-21.
How severe is CVE-2026-38834?: High severity. CVSS v3 base score is 7.3 out of 10.