CVE-2023-23773

Name: CVE-2023-23773
Creator: NVD / NIST
Published: 2023-08-29T09:15:09.33+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2023-23773 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Motorola EBTS/MBTS Base Radio fails to check firmware authenticity. The Motorola MBTS Base Radio lacks cryptographic signature validation for firmware update packages, allowing an authenticated attacker to gain arbitrary code execution, extract secret key material, and/or leave a persistent implant on the device.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

Description

Motorola EBTS/MBTS Base Radio fails to check firmware authenticity. The Motorola MBTS Base Radio lacks cryptographic signature validation for firmware update packages, allowing an authenticated attacker to gain arbitrary code execution, extract secret key material, and/or leave a persistent implant on the device.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.42%

33.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Motorola	Ebts Base Radio Firmware	r05.x2.57
Motorola	Mbts Base Radio Firmware	r05.x2.57

References

https://tetraburst.com/Not Applicable
https://tetraburst.com/Not Applicable

Timeline

Published: Aug 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-23773?

How severe is CVE-2023-23773?

CVE-2023-23773 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2023-23773?

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-2023-23773?

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

Scan your code now

Source: NVD / NIST