CVE-2023-24022 — Baicells Nova 227, Nova 233, and Nova 243 LTE TDD eNodeB devices with firmware t

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

01What is this vulnerability?

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.)

02Affected products

Vendor	Product	Versions
Baicells	Nova 227	0
Baicells	Nova 233	0
Baicells	Nova 243	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-01-24T15:51:17.731Z
• Last modified: 2025-04-02T13:35:30.752Z

09References

• baicells.zendesk.com — https://baicells.zendesk.com/hc/en-us/articles/6188324645780-2023-1-17-Hard-Code…
• img.baicells.com — https://img.baicells.com//Upload/20230118/FILE/BaiBS_RTS_3.7.11.6.IMG.IMG
• img.baicells.com — https://img.baicells.com//Upload/20230118/FILE/BaiBS_RTS_3.7.11.6_Changelog.PDF.…