Tenda W30E V2 Lacks X-Content-Type-Options Header

Advisories

severity: low
date: January 26, 2026
Affecting: W30E V2 firmware <= v16.01.0.19(5037)
CVE: CVE-2026-24439
CWE: CWE-116 Improper Encoding or Escaping of Output
CVSS: 2.1
CVSS V4 Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
References: Tenda Product Webpage
Credit: Kazuma Matsumoto, a security researcher at GMO Cybersecurity by IERAE, Inc.
Description: 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.