Vulnerability 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.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/
- https://vuldb.com/cve/CVE-2026-79911
- https://vuldb.com/submit/881258
- https://vuldb.com/vuln/395061
- https://vuldb.com/vuln/395061/cti
- https://www.totolink.net/
FAQ
What is CVE-2026-79911?
CVE-2026-79911 is a vulnerability with a CVSS score of 10.0 (CRITICAL). 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....
How severe is CVE-2026-79911?
CVE-2026-79911 has been rated CRITICAL with a CVSS base score of 10.0/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-79911?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.