CVE-2020-5771

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Improper Input Validation in Teltonika firmware TRB2_R_00.02.04.01 allows a remote, authenticated attacker to gain root privileges by uploading a malicious backup archive.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 3, 2020
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2020

CVE-2020-57727.5Improper Input Validation in Teltonika firmware TRB2_R_00.02.04.01 allows a remote, authenticated attacker to gain root privileges by uploadCVE-2020-57738.8Improper Access Control in Teltonika firmware TRB2_R_00.02.04.01 allows a low privileged user to perform unauthorized write operations.CVE-2020-57747.1Nessus versions 8.11.0 and earlier were found to maintain sessions longer than the permitted period in certain scenarios. The lack of properCVE-2020-57755.8Server-Side Request Forgery in Canvas LMS 2020-07-29 allows a remote, unauthenticated attacker to cause the Canvas application to perform HTCVE-2020-57768.8Currently, all versions of MAGMI are vulnerable to CSRF due to the lack of CSRF tokens. RCE (via phpcli command) is possible in the event thCVE-2020-57779.8MAGMI versions prior to 0.7.24 are vulnerable to a remote authentication bypass due to allowing default credentials in the event there is a CVE-2020-57787.5A flaw exists in Trading Technologies Messaging 7.1.28.3 (ttmd.exe) due to improper validation of user-supplied data when processing a type CVE-2020-57797.5A flaw in Trading Technologies Messaging 7.1.28.3 (ttmd.exe) relates to invalid parameter handling when calling strcpy_s() with an invalid pCVE-2020-57805.3Missing Authentication for Critical Function in Icegram Email Subscribers & Newsletters Plugin for WordPress prior to version 4.5.6 allows aCVE-2020-57814.3In IgniteNet HeliOS GLinq v2.2.1 r2961, the langSelection parameter is stored in the luci configuration file (/etc/config/luci) by the autheCVE-2020-57826.5In IgniteNet HeliOS GLinq v2.2.1 r2961, if a user logs in and sets the ‘wan_type’ parameter, the wan interface for the device will become unCVE-2020-57835.4In IgniteNet HeliOS GLinq v2.2.1 r2961, the login functionality does not contain any CSRF protection mechanisms.
CVE-2020-5771: High severity, CVSS 7.5 | Vulnix