Vulnerability · Published Apr 10, 2026 · Assigned by VulDB
CVE-2026-6029Totolink A7100RU CGI cstecgi.cgi setVpnAccountCfg 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 3.0% (higher than 87% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)3.0%top 12.7% 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. The affected element is the function setVpnAccountCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. The manipulation of the argument User results in os command injection. The attack may be launched 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-356605 | Totolink A7100RU CGI cstecgi.cgi setVpnAccountCfg os command injection vdb-entry, technical-description
- VDB-356605 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #792050 | Totolink A7100RU 7.4cu.2313_b20191024 Command Injection third-party-advisory
- https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_174/README.md exploit
- https://www.totolink.net/ product