CVE-2026-6157
Totolink A800R app.so setAppEasyWizardConfig buffer overflow
- State
- Published
- Severity
- 8.7 High
- Published
- Apr 13, 2026
- Updated
- Apr 13, 2026
- Reserved
- Apr 12, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulDB |
| 3.1 | 8.8 High | 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 | VulDB |
| 3.0 | 8.8 High | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
A800RTotolink |
|
References
- VDB-357037 | Totolink A800R app.so setAppEasyWizardConfig buffer overflowvdb-entrytechnical-description
- VDB-357037 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- Submit #793114 | TOTOLINK A800R V4.1.2cu.5137_B20200730 Buffer Overflowthird-party-advisory
- https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A800R/01_Buffer_Overflow_setAppEasyWizardConfig.mdexploit
- https://www.totolink.net/product
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