Baicells Nova 227, Nova 233, and Nova 243 LTE TDD eNodeB and Nova 246 devices with firmware through RTS/RTD 3.6.6 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.
Conclusion & alert: CVE-2023-24508 is rated Moderate Risk (54.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.45%). Mandatory action: Review affected assets and schedule 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 | 2026-05-27 | 0.42% | 0.45% | +0.03% |
| 2 | 2026-03-10 | 0.49% | 0.42% | -0.06% |
| 3 | 2026-03-09 | — | 0.49% | — |
Full EPSS history (18 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.1 | 3.1 | HIGH |
|
2.2 | 5.3 | [email protected] |
| 9.6 | 3.1 | CRITICAL |
|
2.8 | 6.0 | [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://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 |