CVE-2020-7548

Name: CVE-2020-7548
Creator: NVD / NIST
Published: 2020-12-01T15:15:12.72+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 1.42%

Last modified Jun 17, 2026

CVE-2020-7548 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A CWE-330 - Use of Insufficiently Random Values vulnerability exists in Smartlink, PowerTag, and Wiser Series Gateways (see security notification for version information) that could allow unauthorized users to login.. EPSS estimates a 1.42% chance of exploitation in the next 30 days.

Description

A CWE-330 - Use of Insufficiently Random Values vulnerability exists in Smartlink, PowerTag, and Wiser Series Gateways (see security notification for version information) that could allow unauthorized users to login.

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

1.42%

69.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-330

Affected Software

Vendor	Product	Versions
Schneider-Electric	Acti9 Smartlink Si D Firmware	< 002.004.002
Schneider-Electric	Acti9 Smartlink Si B Firmware	< 002.004.002
Schneider-Electric	Acti9 Powertag Link Firmware	< 001.008.007
Schneider-Electric	Acti9 Powertag Link Hd Firmware	< 001.008.007
Schneider-Electric	Acti9 Smartlink El B Firmware	< 1.2.1
Schneider-Electric	Wiser Link Firmware	< 1.5.0
Schneider-Electric	Wiser Energy Firmware	< 1.5.0

References

https://www.se.com/ww/en/download/document/SEVD-2020-287-03/Patch, Vendor Advisory
https://www.se.com/ww/en/download/document/SEVD-2020-287-03/Patch, Vendor Advisory

Timeline

Published: Dec 1, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-7548?

How severe is CVE-2020-7548?

CVE-2020-7548 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.

How do I fix CVE-2020-7548?

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-2020-7548?

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

Scan your code now

Source: NVD / NIST