CVE-2026-9404

A vulnerability was identified in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setDdnsCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Such manipulation of the argument provider leads to os command injection. The attack may be launched remotely. The exploit is publicly available and might be used.

• CWE-77
• CWE-78

• https://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_336/README.md
• https://vuldb.com/submit/813439
• https://vuldb.com/vuln/365385
• https://vuldb.com/vuln/365385/cti
• https://www.totolink.net/

Published

May 24, 2026

Last Modified

Jul 23, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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