Baicells Nova 227, Nova 233, and Nova 243 LTE TDD eNodeB devices with firmware through RTS/RTD 3.7.11.3 have hardcoded credentials that are easily discovered and can be used by remote attackers to authenticate via ssh. (The credentials are stored in the firmware, encrypted by the crypt function.)
Conclusion & alert: CVE-2023-24022 is rated High Risk (65.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 0.83%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-05 | 0.96% | 0.83% | -0.13% |
| 2 | 2025-11-21 | 0.83% | 0.96% | +0.13% |
| 3 | 2025-11-20 | — | 0.83% | — |
Full EPSS history (14 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 3.1 | CRITICAL |
|
3.9 | 6.0 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| baicells | rtd_firmware | < 3.7.11.6 | cpe:2.3:o:baicells:rtd_firmware:*:*:*:*:*:*:*:* |
| baicells | rts_firmware | < 3.7.11.6 | cpe:2.3:o:baicells:rts_firmware:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://baicells.zendesk.com/hc/en-us/articles/6188324645780-2023-1-17-Hard-Coded-Credential-Crypt-Vulnerability | Patch Vendor Advisory |
| https://img.baicells.com//Upload/20230118/FILE/BaiBS_RTS_3.7.11.6.IMG.IMG | Release Notes Vendor Advisory |
| https://img.baicells.com//Upload/20230118/FILE/BaiBS_RTS_3.7.11.6_Changelog.PDF.pdf | Release Notes Vendor Advisory |