Check Point Advisories

Tenda Buffer Overflow (CVE-2020-13389; CVE-2020-13390; CVE-2020-13391; CVE-2020-13392; CVE-2020-13393)

Check Point Reference: CPAI-2020-0524
Date Published: 21 Jun 2020
Severity: High
Last Updated: 21 Jun 2020
Industry Reference:CVE-2020-13389
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Tenda AC6 V1.0 V15.03.05.19_multi_TD01
Tenda AC9 V1.0 V15.03.05.19(6318)_CN
Tenda AC9 V3.0 V15.03.06.42_multi Tenda AC15 V1.0 V15.03.05.19_multi_TD01
Tenda AC18 V15.03.05.19(6318_)_CN
Vulnerability Description A buffer overflow vulnerability exists in Tenda. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system or cause application crashes.

Protection Overview

This protection detects attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75

  1. In the IPS tab, click Protections and find the Tenda Buffer Overflow (CVE-2020-13389) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Web Server Enforcement Violation.
Attack Information:  Tenda Buffer Overflow (CVE-2020-13389)

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