What is CVE-2026-27512?

CVE-2026-27512 is a medium-severity vulnerability in Shenzhen Tenda Technology Co., Ltd. F3, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-23.

How severe is CVE-2026-27512?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Shenzhen Tenda Technology Co., Ltd. F3

CVE-2026-27512

Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a content-type confusion vulnerability in the administrative interface. Responses omit the X-Content-Type-Options: nosniff header and include attacker-influenced conten…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (8.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Shenzhen Tenda Technology Co., Ltd. F3 — versions 0
Tenda F3
Tenda F3_firmware

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-27512?: CVE-2026-27512 is a medium-severity vulnerability in Shenzhen Tenda Technology Co., Ltd. F3, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-02-23.
How severe is CVE-2026-27512?: Medium severity. CVSS v3 base score is 6.1 out of 10.