Vulnerability in Shenzhen Tenda Technology Co., Ltd. F3
CVE-2026-27514
Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a sensitive information exposure vulnerability in the configuration download functionality. The configuration download response includes the router password and administrative password in plaintext. The endpoint also omits appropriate Cache-Control directives, which can allow the response to be stored in client-side caches and recovered by other local users or processes with access to cached browser data.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002
Affected products
Weakness classification (CWE)
References
- www.tendacn.com/product/F3 (Product, product)
- www.vulncheck.com/advisories/tenda-f3-plaintext-credential-exposure-in-configur… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-27514?
- CVE-2026-27514 is a medium-severity vulnerability in Shenzhen Tenda Technology Co., Ltd. F3, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 6.5/10. Published 2026-02-23.
- How severe is CVE-2026-27514?
- Medium severity. CVSS v3 base score is 6.5 out of 10.