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Vulnerability record · CVE-2020-5773 · published 3 August 2020

CVE-2020-5773: Teltonika-networks trb245 firmware improper privilege management vulnerability

TTeltonika Networks · Trb245 Firmware

Improper Access Control in Teltonika firmware TRB2_R_00.02.04.01 allows a low privileged user to perform unauthorized write operations.

8.8 CVSS 3.1 High EPSS 0.99% · top 38.9% CWE-269 · Improper privilege management
8.8CVSS 3.1 base score, v2 6.5
0.99%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 Access Control in Teltonika firmware TRB2_R_00.02.04.01 allows a low privileged user to perform unauthorized write operations.

CVSS:3.1/AV:N/AC:L/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

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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%7.5CVE-2020-5771Teltonika-networks trb245 firmware improper input validation 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 2.0%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-2020-5773), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.