CVE-2026-27511

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 v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.tendacn.com/product/F3	Product
https://www.vulncheck.com/advisories/tenda-f3-clickjacking-in-web-management-interface	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:f3_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:tenda:f3:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-02-23 17:23

Updated : 2026-02-23 20:16

NVD link : CVE-2026-27511

Mitre link : CVE-2026-27511

CVE.ORG link : CVE-2026-27511

JSON object : View

Products Affected

tenda

f3_firmware
f3

CWE

CWE-1021

Improper Restriction of Rendered UI Layers or Frames

{"id": "CVE-2026-27511", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS: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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "ACTIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "LOW", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "published": "2026-02-23T17:23:29.473", "references": [{"url": "https://www.tendacn.com/product/F3", "tags": ["Product"], "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/tenda-f3-clickjacking-in-web-management-interface", "tags": ["Exploit", "Third Party Advisory"], "source": "disclosure@vulncheck.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-1021"}]}], "descriptions": [{"lang": "en", "value": "Shenzhen Tenda F3 Wireless Router\u00a0firmware 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."}, {"lang": "es", "value": "El firmware V12.01.01.55_multi del router inal\u00e1mbrico Shenzhen Tenda F3 contiene una vulnerabilidad de clickjacking en la interfaz de administraci\u00f3n basada en web. La interfaz no establece el encabezado X-Frame-Options, lo que permite que sitios controlados por el atacante incrusten p\u00e1ginas de administraci\u00f3n en un iframe y enga\u00f1en a un administrador autenticado para que realice interacciones no intencionadas que pueden resultar en cambios de configuraci\u00f3n no autorizados."}], "lastModified": "2026-02-23T20:16:49.310", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:f3_firmware:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C94698A5-D2EE-45CD-AB06-4BD30F252920", "versionEndIncluding": "12.01.01.55_multi"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tenda:f3:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EE9480BB-FC48-4614-A003-A991109FBCAF"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "disclosure@vulncheck.com"}