Vulnerability · Published Apr 12, 2026 · Assigned by VulDB
CVE-2026-6114Totolink A7100RU CGI cstecgi.cgi setNetworkCfg os command injection
Critical 9.8
In plain English
A critical-severity OS command injection in A7100RU from Totolink. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.8% (higher than 79% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)1.8%top 21.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this issue is the function setNetworkCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Performing a manipulation of the argument proto results in os command injection. The attack may be initiated remotely. The exploit is now public and may be used.
Affected products (as reported)
Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-356974 | Totolink A7100RU CGI cstecgi.cgi setNetworkCfg os command injection vdb-entry, technical-description
- VDB-356974 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #792247 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection third-party-advisory
- https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_179/README.md exploit
- https://www.totolink.net/ product