RCE in Baicells Eg3661m
CVE-2026-19771
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.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.037 (89.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.028 · newest: 0.037 · change: +0.009
Affected products
- Baicells Eg3661m — versions BaiCE_BQ6_2.0.5.3_NA
Weakness classification (CWE)
References
- vuldb.com/vuln/389685 (technical-description, vdb-entry)
- vuldb.com/vuln/389685/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19771 (third-party-advisory)
- vuldb.com/submit/869362 (third-party-advisory)
- github.com/actuator/cve/blob/main/Baicells/EG3661M.md (exploit)
Frequently asked questions
- What is CVE-2026-19771?
- CVE-2026-19771 is a high-severity vulnerability in Baicells Eg3661m, classified under Command Injection. CVSS score: 7.2/10. Published 2026-08-14.
- How severe is CVE-2026-19771?
- High severity. CVSS v3 base score is 7.2 out of 10.