CVE-2020-25749

Name: CVE-2020-25749
Creator: NVD / NIST
Published: 2020-09-25T04:23:05.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 3.10%

Last modified Jun 17, 2026

CVE-2020-25749 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. The Telnet service of Rubetek cameras RV-3406, RV-3409, and RV-3411 cameras (firmware versions v342, v339) could allow an remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password. EPSS estimates a 3.10% chance of exploitation in the next 30 days.

Description

The Telnet service of Rubetek cameras RV-3406, RV-3409, and RV-3411 cameras (firmware versions v342, v339) could allow an remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password. The Telnet service cannot be disabled and this password cannot be changed via standard functionality.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

3.10%

86.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-798

Affected Software

Vendor	Product	Versions
Rubetek	Rv-3406 Firmware	339
Rubetek	Rv-3406 Firmware	342
Rubetek	Rv-3409 Firmware	339
Rubetek	Rv-3409 Firmware	342
Rubetek	Rv-3411 Firmware	339
Rubetek	Rv-3411 Firmware	342

References

https://github.com/jet-pentest/CVE-2020-25749Third Party Advisory
https://github.com/jet-pentest/CVE-2020-25749Third Party Advisory

Timeline

Published: Sep 25, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25749?

How severe is CVE-2020-25749?

CVE-2020-25749 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 3.10% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25749?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-25749?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST