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TI-2026-16037 Aliases CVE-2026-19771GHSA-w9jh-6rx2-4wh5

Baicells EG3661M LuCI Web luci os command injection

Priority HIGH 72CWE-77Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-77.

Summary

A vulnerability was identified in Baicells EG3661M BaiCE_BQ6_2.0.5.3_NA. This impacts an unknown function of the file /cgi-bin/luci of the component LuCI Web Interface. Such manipulation of the argument MaxHops/Timeout/Size leads to os command injection. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.03702 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
BaicellsEG3661MBaiCE_BQ6_2.0.5.3_NA—No fix listedCNA
  • EG3661M VendorBaicells Affected BaiCE_BQ6_2.0.5.3_NA Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:baicells:eg3661m:*:*:*:*:*:*:*:*——Baicells
  • cpe:2.3:a:baicells:eg3661m:*:*:*:*:*:*:*:* Versions — — ·Baicells

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-19771
  2. 2026-10-03 Alias added: GHSA-w9jh-6rx2-4wh5

References

Exploit 1

  • TI-2023-09807 Hard Coded Credential Crypt Vulnerability CVSS 3.1CRITICAL 10.0
  • TI-2025-34739 Multiple CWE-78 CVSS 3.1CRITICAL 9.8
  • TI-2025-34742 CWE-1392: Use of Default Credentials CVSS 3.1CRITICAL 10.0
  • TI-2025-34741 CWE-1242: Inclusion of Undocumented Features CVSS 3.1CRITICAL 9.8
  • TI-2022-08511 Baicells Nova436Q and Neutrino 430 devices with firmware through QRTB 2.7.8 have… CVSS 3.1CRITICAL 9.8
  • TI-2025-34740 Use of Default Cryptographic Key (CWE-1394) CVSS 3.1CRITICAL 9.1
See all 15 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences