CVE-2023-0776

Name: CVE-2023-0776
Creator: NVD / NIST
Published: 2023-02-11T01:23:26.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10EPSS 1.19%

Last modified Jun 17, 2026

CVE-2023-0776 is a critical-severity vulnerability rated 10/10 on the CVSS scale. Baicells Nova 436Q, Nova 430E, Nova 430I, and Neutrino 430 LTE TDD eNodeB devices with firmware through QRTB 2.12.7 are vulnerable to remote shell code exploitation via HTTP command injections. Commands are executed using pre-login execution and executed with root permissions. EPSS estimates a 1.19% chance of exploitation in the next 30 days.

Description

Baicells Nova 436Q, Nova 430E, Nova 430I, and Neutrino 430 LTE TDD eNodeB devices with firmware through QRTB 2.12.7 are vulnerable to remote shell code exploitation via HTTP command injections. Commands are executed using pre-login execution and executed with root permissions. The following methods below have been tested and validated by a 3rd party analyst and has been confirmed exploitable special thanks to Rustam Amin for providing the steps to reproduce.

Metrics

CVSS 3.1

10/10

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

EPSS Probability

1.19%

64.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Baicells	Neutrino 430 Firmware	<= qrtb_2.12.7
Baicells	Nova430l Firmware	<= qrtb_2.12.7
Baicells	Nova430e Firmware	<= qrtb_2.12.7
Baicells	Nova436q Firmware	<= qrtb_2.12.7

References

https://baicells.com/Service/FirmwarePatch, Vendor Advisory
https://baicells.com/Service/FirmwarePatch, Vendor Advisory

Timeline

Published: Feb 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-0776?

How severe is CVE-2023-0776?

CVE-2023-0776 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 1.19% probability of exploitation in the next 30 days.

How do I fix CVE-2023-0776?

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-2023-0776?

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

Scan your code now

Source: NVD / NIST