CVE-2026-6157: Totolink a800r

High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days.

A vulnerability was detected in Totolink A800R 4.1.2cu.5137_B20200730. This impacts the function setAppEasyWizardConfig in the library /lib/cste_modules/app.so. The manipulation of the argument apcliSsid results in buffer overflow. The attack can be executed remotely. The exploit is now public and may be used.

Affected products

• Totolink a800r: version 4.1.2cu.5137_B20200730 only

Published 2026-04-13. Last modified 2026-06-17.