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Security Database

CVE

CWE

Training

CVE-2026-6157

Published: Apr 13, 2026

Modified: Apr 13, 2026

PUBLISHED

CVSS v3.1

8.8

HIGH

Description

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.

Vendor	Product	Versions
Totolink	A800R	affected `4.1.2cu.5137_B20200730`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

VDB-357037 | Totolink A800R app.so setAppEasyWizardConfig buffer overflow

vdb-entry

technical-description

VDB-357037 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #793114 | TOTOLINK A800R V4.1.2cu.5137_B20200730 Buffer Overflow

third-party-advisory

https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A800R/01_Buffer_Overflow_setAppEasyWizardConfig.md

exploit

https://www.totolink.net/

product

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