CVE-2023-1262

Name: CVE-2023-1262
Creator: NVD / NIST
Published: 2023-03-21T21:15:12.22+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.44%

Last modified Jun 17, 2026

CVE-2023-1262 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Missing MAC layer security in Silicon Labs Wi-SUN Linux Border Router v1.5.2 and earlier allows malicious node to route malicious messages through network. . EPSS estimates a 0.44% chance of exploitation in the next 30 days.

Description

Missing MAC layer security in Silicon Labs Wi-SUN Linux Border Router v1.5.2 and earlier allows malicious node to route malicious messages through network.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

0.44%

35.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Silabs	Wireless Smart Ubiquitous Network Linux Border Router Firmware	<= 1.5.2

References

https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000SMyfRQAT?operationContext=S1Permissions Required
https://github.com/SiliconLabs/wisun-br-linuxProduct
https://community.silabs.com/sfc/servlet.shepherd/document/download/0698Y00000SMyfRQAT?operationContext=S1Permissions Required
https://github.com/SiliconLabs/wisun-br-linuxProduct

Timeline

Published: Mar 21, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-1262?

Missing MAC layer security in Silicon Labs Wi-SUN Linux Border Router v1.5.2 and earlier allows malicious node to route malicious messages through network.

How severe is CVE-2023-1262?

CVE-2023-1262 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2023-1262?

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-2023-1262?

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

Scan your code now

Source: NVD / NIST