What is CVE-2020-5773?

CVE-2020-5773 is a high-severity vulnerability in Teltonika-Networks Trb245, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2020-08-03.

How severe is CVE-2020-5773?

High severity. CVSS v3 base score is 8.8 out of 10.

Privilege escalation in Teltonika-Networks Trb245

CVE-2020-5773

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

Vulnerability class: Privilege Escalation

Published 2020-08-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (61.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Teltonika-Networks Trb245
Teltonika-Networks Trb245 Firmware — versions 00.02.04.01
Teltonika Gateway Trb245 — versions TRB2_R_00.02.04.01 firmware

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

www.tenable.com/security/research/tra-2020-48 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2020-5773?: CVE-2020-5773 is a high-severity vulnerability in Teltonika-Networks Trb245, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2020-08-03.
How severe is CVE-2020-5773?: High severity. CVSS v3 base score is 8.8 out of 10.