CVE-2026-27511: Tenda F3 Clickjacking in Web Management Interface
Vulnerability summary
CVE-2026-27511 is a medium (CVSS 5.1) vulnerability in shenzhen tenda technology co., ltd. tenda f3. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.9% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 23-02-2026PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
Shenzhen Tenda F3 Wireless Router firmware V12.01.01.55_multi contains a clickjacking vulnerability in the web-based administrative interface. The interface does not set the X-Frame-Options header, allowing attacker-controlled sites to embed administrative pages in an iframe and trick an authenticated administrator into unintended interactions that may result in unauthorized configuration changes.
CVSS metrics
4 scores · 2 sources · 2 versions- NVDNIST5.1MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.37%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
Increase +0.16 pp
From 0.21% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (vulncheck.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Shenzhen tenda technology co., ltd.1 product
- tenda f3≤ 12.01.01.55_multi
Tenda1 product
- f3_firmware≤ 12.01.01.55_multi
2 vendors · 2 products
References
2 links- www.tendacn.com/product/F3Product
- www.vulncheck.com/advisories/tenda-f3-clickjacking-in-web-management-interfaceThird Party AdvisoryExploit