CVE-2026-6157

HIGH EPSS 37.3%
Published Apr 13, 20262mo ago · Modified Jun 17, 20261w ago
7.4 CVSS 4.0
High
Find Similar
Published Apr 13, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
7.4
Exploitability
—
Impact
—
Vector string
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X

Threat Intelligence

EPSS Exploit Probability
37.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 2

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer Memory Safety
CWE-120

References 5

  • github.com https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A800R/01_Buffer_Overflow_setAppEasyWizardConfig.md
  • vuldb.com https://vuldb.com/submit/793114
  • vuldb.com https://vuldb.com/vuln/357037
  • vuldb.com https://vuldb.com/vuln/357037/cti
  • totolink.net https://www.totolink.net/

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.