Security readout for executives and security teams
Plain-English summary
Certain Baicells LTE base station devices can reportedly execute attacker-supplied commands before login through HTTP command injection. Successful exploitation runs with root privileges, so affected operators should treat exposed management interfaces as urgent infrastructure risk, even though the source bundle does not show active exploitation.
Executive priority
Treat this as high priority for telecom or wireless infrastructure environments. Root-level pre-login command execution can affect service integrity and availability, but urgency depends on whether affected devices are deployed and management interfaces are reachable.
Technical view
CVE-2023-0776 describes pre-auth HTTP command injection affecting Baicells Nova 436Q, Nova 430E, Nova 430I, and Neutrino 430 LTE TDD eNodeB firmware through QRTB 2.12.7. The CVSS score is 8.1. The record says exploitation was validated by a third-party analyst and commands run as root.
Likely exposure
Exposure is most likely for organizations operating the named Baicells eNodeB devices on QRTB firmware through 2.12.7, especially where HTTP management access is reachable beyond a tightly controlled admin network. The source bundle does not state deployment prevalence.
Exploitation context
The CVE description says exploitability was tested and confirmed by a third-party analyst. However, KEV is false in the bundle, and no provided source states active exploitation in the wild.
Researcher notes
The source description indicates command injection, root execution, network access, no privileges, no user interaction, and high integrity impact. The listed CWE is CWE-79, which appears inconsistent with command injection; verify against primary CVE and vendor material during triage.
Mitigation direction
- Check Baicells firmware guidance for affected devices and available updates.
- Limit HTTP management access to trusted administrative networks only.
- Remove internet exposure for eNodeB management interfaces where possible.
- Apply network monitoring around management endpoints for suspicious pre-login activity.
- Prioritize vendor-confirmed remediation over unofficial workarounds.
Validation and detection
- Inventory Baicells Nova 436Q, Nova 430E, Nova 430I, and Neutrino 430 devices.
- Record installed QRTB firmware versions for each device.
- Flag systems running firmware through QRTB 2.12.7.
- Confirm whether HTTP management interfaces are externally reachable.
- Review vendor firmware guidance for fixed-version or mitigation details.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2023-0776 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L2.25.3Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.1HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L
Source materials
- CVE List V5 sourceCVE List V5
- https://baicells.com/Service/FirmwareCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.