Vulnerability · Published May 4, 2026 · Assigned by VulDB
CVE-2026-7718Totolink WA300 POST Request cstecgi.cgi setWebWlanIdx command injection
Medium 6.3
In plain English
A medium-severity command injection in WA300 from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)1.0%top 36.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was identified in Totolink WA300 5.2cu.7112_B20190227. Impacted is the function setWebWlanIdx of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument webWlanIdx leads to command injection. The attack may be initiated remotely. The exploit is publicly available and might be used.
Affected products (as reported)
Weakness: CWE-77, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
References
- VDB-360894 | Totolink WA300 POST Request cstecgi.cgi setWebWlanIdx command injection vdb-entry, technical-description
- VDB-360894 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #807196 | Totolink WA300 WA300 V5.2cu.7112_B20190227 Command Injection third-party-advisory
- https://lavender-bicycle-a5a.notion.site/TOTOLINK-WA300-setWebWlanIdx-34553a41781f800ab40ae0c3d68c78a6?pvs=73 exploit
- https://www.totolink.net/ product