RCE in Totolink Wa300
CVE-2026-0641
A security vulnerability has been detected in TOTOLINK WA300 5.2cu.7112_B20190227. This vulnerability affects the function sub_401510 of the file cstecgi.cgi. The manipulation of the argument UPLOAD_FILENAME leads to command injection. The…
EPSS: 0.008 (74.7th percentile) — read the EPSS interpretation.
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.
Affected products
- Totolink Wa300 — versions 5.2cu.7112_B20190227
- Totolink Wa300_firmware — versions 5.2cu.7112_b20190227
Weakness classification (CWE)
References
- VDB-339684 | TOTOLINK WA300 cstecgi.cgi sub_401510 command injection (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-339684 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #732234 | TOTOLINK WA300 V5.2cu.7112_B20190227 Command Injection (Third Party Advisory, VDB Entry, third-party-advisory)
- cna@vuldb.com (related, Exploit, Third Party Advisory)
- cna@vuldb.com (Exploit, Third Party Advisory, exploit)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-0641?
- CVE-2026-0641 is a medium-severity vulnerability in Totolink Wa300, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 6.3/10. Published 2026-01-06.
- How severe is CVE-2026-0641?
- Medium severity. CVSS v3 base score is 6.3 out of 10.