RCE in Totolink Lr350
CVE-2026-1149
A vulnerability was identified in Totolink LR350 9.3.5u.6369_B20220309. This issue affects the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument ip leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.031 (87.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% 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: 0.031 · change: +0.003
Affected products
- Totolink Lr350 — versions 9.3.5u.6369_B20220309
- Totolink Lr350 Firmware — versions 9.3.5u.6369_b20220309
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setDiagnosisCfg-2e453a41781f800… (Exploit, Third Party Advisory, exploit)
- www.totolink.net/ (Product, product)
Frequently asked questions
- What is CVE-2026-1149?
- CVE-2026-1149 is a medium-severity vulnerability in Totolink Lr350, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-01-19.
- How severe is CVE-2026-1149?
- Medium severity. CVSS v3 base score is 6.3 out of 10.