Description
A security vulnerability has been detected in TOTOLINK N600R 4.3.0cu.7647_B20210106. The affected element is the function setSystemConfig of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument Hostname leads to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| TOTOLINK | N600R | 4.3.0cu.7647_B20210106 | — |
References
- VDB-395061 | TOTOLINK N600R CGI cstecgi.cgi setSystemConfig stack-based overflow vdb-entry technical-description
- VDB-395061 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-79911 | CVE Analysis and Report third-party-advisory
- Submit #881258 | Totolink N600R Wireless N Router V4.3.0cu.7647_B20210106 Stack-based Buffer Overflow third-party-advisory
- https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/TOTOLINK_N600R_cstecgi_strcpy_sprintf_Multi_Function_Stack_Overflow.md exploit
- https://www.totolink.net/ product