← Vulnerability feed

Vulnerability record · CVE-2020-5771 · published 3 August 2020

CVE-2020-5771: Teltonika-networks trb245 firmware improper input validation vulnerability

TTeltonika Networks · Trb245 Firmware

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.

7.5 CVSS 3.1 High EPSS 2.0% · top 20.6% CWE-20 · Improper input validation
7.5CVSS 3.1 base score, v2 7.1
2.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.tenable.com/security/research/tra-2020-48 ExploitThird Party Advisory
https://www.tenable.com/security/research/tra-2020-48 ExploitThird Party Advisory

Track CVE-2020-5771 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2020-5786Teltonika-networks trb245 firmware cross-site request forgery vulnerabilityCross-site request forgery in Teltonika firmware TRB2_R_00.02.04.3 allows a remote attacker to perform sensitive application actions by tricking legi…EPSS 8.6%8.8CVE-2020-5770Teltonika-networks trb245 firmware cross-site request forgery vulnerabilityCross-site request forgery in Teltonika firmware TRB2_R_00.02.04.01 allows a remote attacker to perform sensitive application actions by tricking leg…EPSS 0.69%8.8CVE-2020-5773Teltonika-networks trb245 firmware improper privilege management vulnerabilityImproper Access Control in Teltonika firmware TRB2_R_00.02.04.01 allows a low privileged user to perform unauthorized write operations.EPSS 0.99%7.5CVE-2020-5772Teltonika-networks trb245 firmware download of code without integrity check vulnerabilityImproper Input Validation in Teltonika firmware TRB2_R_00.02.04.01 allows a remote, authenticated attacker to gain root privileges by uploading a mal…EPSS 1.1%6.5CVE-2020-5788Teltonika-networks trb245 firmware path traversal vulnerabilityRelative Path Traversal in Teltonika firmware TRB2_R_00.02.04.3 allows a remote, authenticated attacker to delete arbitrary files on disk via the adm…EPSS 1.2%6.5CVE-2020-5789Teltonika-networks trb245 firmware path traversal vulnerabilityRelative Path Traversal in Teltonika firmware TRB2_R_00.02.04.3 allows a remote, authenticated attacker to read the contents of arbitrary files on di…EPSS 1.4%6.5CVE-2020-5784Teltonika-networks trb245 firmware server-side request forgery (ssrf) vulnerabilityServer-Side Request Forgery in Teltonika firmware TRB2_R_00.02.04.3 allows a low privileged user to cause the application to perform HTTP GET request…EPSS 0.68%6.5CVE-2020-5787Teltonika-networks trb245 firmware path traversal vulnerabilityRelative Path Traversal in Teltonika firmware TRB2_R_00.02.04.3 allows a remote, authenticated attacker to delete arbitrary files on disk via the adm…EPSS 1.7%

Source: NIST National Vulnerability Database (record CVE-2020-5771), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.