CVE-2025-31355

A firmware update vulnerability exists in the Firmware Signature Validation functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted malicious file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

CVSS v3 7.2 HIGH

7.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://talosintelligence.com/vulnerability_reports/TALOS-2025-2161	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:tenda:ac6_firmware:02.03.01.110:*:*:*:*:*:*:*

cpe:2.3:h:tenda:ac6:5.0:*:*:*:*:*:*:*

History

21 Aug 2025, 18:22

Type	Values Removed	Values Added
References	~~() https://talosintelligence.com/vulnerability_reports/TALOS-2025-2161 -~~	() https://talosintelligence.com/vulnerability_reports/TALOS-2025-2161 - Third Party Advisory
Summary		(es) Existe una vulnerabilidad de actualización de firmware en la función de Validación de Firma de Firmware de Tenda AC6 V5.0 V02.03.01.110. Un archivo malicioso especialmente manipulado puede provocar la ejecución de código arbitrario. Un atacante puede proporcionar un archivo malicioso para activar esta vulnerabilidad.
First Time		Tenda ac6 Tenda ac6 Firmware Tenda
CPE		cpe:2.3:o:tenda:ac6_firmware:02.03.01.110:::::::* cpe:2.3:h:tenda:ac6:5.0:::::::*

20 Aug 2025, 14:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-08-20 14:15

Updated : 2025-08-21 18:22

NVD link : CVE-2025-31355

Mitre link : CVE-2025-31355

CVE.ORG link : CVE-2025-31355

JSON object : View

Products Affected

tenda

ac6
ac6_firmware

CWE

CWE-494

Download of Code Without Integrity Check

{"id": "CVE-2025-31355", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "talos-cna@cisco.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.2}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2025-08-20T14:15:43.343", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2025-2161", "tags": ["Third Party Advisory"], "source": "talos-cna@cisco.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "talos-cna@cisco.com", "description": [{"lang": "en", "value": "CWE-494"}]}], "descriptions": [{"lang": "en", "value": "A firmware update vulnerability exists in the Firmware Signature Validation functionality of Tenda AC6 V5.0 V02.03.01.110. A specially crafted malicious file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability."}, {"lang": "es", "value": "Existe una vulnerabilidad de actualizaci\u00f3n de firmware en la funci\u00f3n de Validaci\u00f3n de Firma de Firmware de Tenda AC6 V5.0 V02.03.01.110. Un archivo malicioso especialmente manipulado puede provocar la ejecuci\u00f3n de c\u00f3digo arbitrario. Un atacante puede proporcionar un archivo malicioso para activar esta vulnerabilidad."}], "lastModified": "2025-08-21T18:22:47.147", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:tenda:ac6_firmware:02.03.01.110:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FBBF7445-03C8-48EA-9DC3-BD4825E7CC0A"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:tenda:ac6:5.0:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CFBE582F-BE50-4810-AAB2-B19F40693ACE"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "talos-cna@cisco.com"}