SEPTEMBER 17, 2026
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Case File

CVE-2026-67822

CRITICAL · CVSS 9.8 EPSS 0.31% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-07-31 · Last synced 2026-08-30

CyberRota Analysis

AI-Generated

The Tenda W6-S 1.0.0.4(510) is vulnerable to a stack-based buffer overflow in the /goform/wifiSSIDset endpoint, where user-controlled parameters can overflow a 64-byte stack buffer due to improper handling in the sprintf function. This vulnerability can lead to remote code execution, allowing attackers to gain control over the affected device. Organizations using this model should prioritize patching or mitigating this vulnerability to prevent potential exploitation.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-67822
Severity
CRITICAL
CVSS
9.8
EPSS
0.31%

Original NVD Description

Tenda W6-S 1.0.0.4(510) contains a stack-based buffer overflow vulnerability in the /goform/wifiSSIDset endpoint. The function formwrlSSIDset uses sprintf to copy user-controlled 'GO' and 'index' parameters into a 64-byte stack buffer without length restriction, leading to stack overflow.