Vulnerability Description
A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument addrPrefixLen leads to os command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
CVSS Score
CRITICAL
Related Weaknesses (CWE)
References
- https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_159/README.md
- https://vuldb.com/submit/791274
- https://vuldb.com/vuln/356379
- https://vuldb.com/vuln/356379/cti
- https://www.totolink.net/
FAQ
What is CVE-2026-5853?
CVE-2026-5853 is a vulnerability with a CVSS score of 9.8 (CRITICAL). A security vulnerability has been detected in Totolink A7100RU 7.4cu.2313_b20191024. Affected by this vulnerability is the function setIpv6LanCfg of the file /cgi-bin/cstecgi.cgi of the component CGI ...
How severe is CVE-2026-5853?
CVE-2026-5853 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2026-5853?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.