CVE-2026-6157
HIGHTotolink A800R app.so setAppEasyWizardConfig buffer overflow
Title source: cnaDescription
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.
References (5)
Core 5
Core References
Vdb Entry, Technical Description vdb-entry
technical-description
VDB-357037 | Totolink A800R app.so setAppEasyWizardConfig buffer overflow
https://vuldb.com/vuln/357037
Signature, Permissions Required signature
permissions-required
VDB-357037 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/357037/cti
Third Party Advisory third-party-advisory
Submit #793114 | TOTOLINK A800R V4.1.2cu.5137_B20200730 Buffer Overflow
https://vuldb.com/submit/793114
Exploit exploit
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A800R/01_Buffer_Overflow_setAppEasyWizardConfig.md
Product product
https://www.totolink.net/
Scores
CVSS v3
8.8
EPSS
0.0047
EPSS Percentile
37.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-119
CWE-120
Status
published
Products (1)
Totolink/A800R
4.1.2cu.5137_B20200730
Published
Apr 13, 2026
Tracked Since
Apr 13, 2026