Critical severity · published Feb 11, 2023
CVE-2023-0776
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…
10.0
CVSS
1.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N4
Neutrino 430 Firmware · Baicells
through qrtb_2.12.7 · source: NVD
NF
Nova430e Firmware · Baicells
through qrtb_2.12.7 · source: NVD
NF
Nova430l Firmware · Baicells
through qrtb_2.12.7 · source: NVD
NF
Nova436q Firmware · Baicells
through qrtb_2.12.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-0776
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-0776
Patch
https://baicells.com/Service/Firmware
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