CVE-2026-5104

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Impacted is the function setStaticRoute of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument ip leads to command injection. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.

• CWE-74
• CWE-77
• CWE-77

• https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_ip_cmd_injectExploit, Third Party Advisory
• https://vuldb.com/submit/779142Permissions Required, VDB Entry
• https://vuldb.com/vuln/354129Third Party Advisory, VDB Entry
• https://vuldb.com/vuln/354129/ctiThird Party Advisory, VDB Entry
• https://www.totolink.net/Product

Published

Mar 30, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• 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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