What is CVE-2026-24439?

CVE-2026-24439 is a medium-severity vulnerability in Shenzhen Tenda Technology Co., Ltd. W30e V2, classified under Improper Encoding or Escaping of Output. CVSS score: 6.5/10. Published 2026-01-26.

How severe is CVE-2026-24439?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Shenzhen Tenda Technology Co., Ltd. W30e V2

CVE-2026-24439

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) fail to include the X-Content-Type-Options: nosniff response header on web management interfaces. As a result, browsers that perform MIME sniffing may incorrectly interpret attacker-influenced responses as executable script.

EPSS: 0.002 (6.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Shenzhen Tenda Technology Co., Ltd. W30e V2 — versions 0
Tenda W30e — versions 2.0
Tenda W30e_firmware

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

References

disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-24439?: CVE-2026-24439 is a medium-severity vulnerability in Shenzhen Tenda Technology Co., Ltd. W30e V2, classified under Improper Encoding or Escaping of Output. CVSS score: 6.5/10. Published 2026-01-26.
How severe is CVE-2026-24439?: Medium severity. CVSS v3 base score is 6.5 out of 10.