CVE-2026-5103 - Vulnerability Analysis

Overview

Totolink A3300R 17.0.0cu.557_b20221024 contains a command injection caused by manipulation of the "enable" argument in setUPnPCfg function of /cgi-bin/cstecgi.cgi, letting remote attackers execute arbitrary commands, exploit requires no special privileges.

Severity & Score

Impact

Remote attackers can execute arbitrary commands, potentially leading to full system compromise.

Mitigation

Update to the latest version.

References

• https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_enable_cmd_inject
• https://vuldb.com/submit/779140
• https://vuldb.com/vuln/354128
• https://vuldb.com/vuln/354128/cti
• https://www.totolink.net/

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner