CVE-2026-27512
mediumpriority · track · 0EPSS 0.002 · 12 %ileEUUSEPSS · scored 2026-10-27
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 content that can be reflected into the response body. Under affected browser behaviors, MIME sniffing may cause the response to be interpreted as active HTML, enabling script execution in the context of the administrative interface.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.2–6.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://www.tendacn.com/product/F3cnnvd
- https://www.vulncheck.com/advisories/tenda-f3-reflected-script-execution-via-missing-nosniff-headercnnvd
- https://www.tendacn.com/product/F3enisa_euvd
- https://www.vulncheck.com/advisories/tenda-f3-reflected-script-execution-via-missing-nosniff-headerenisa_euvd
- https://www.tendacn.com/product/F3Productnvd
- https://www.vulncheck.com/advisories/tenda-f3-reflected-script-execution-via-missing-nosniff-headerThird Party Advisorynvd
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