CVE-2026-6157 HIGH

CVE-2026-6157: Totolink A800R app.so setAppEasyWizardConfig buffer overflow

Vendor Totolink
Product A800R
Weakness CWE-120
Published April 13, 2026
Last update April 13, 2026
View on NVD All CVEs

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

April 13, 2026 CVE published
April 13, 2026 Record updated