AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2023-40042

CRITICAL · CVSS 9.8 EPSS 1.35% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-08-08 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

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

GitHub PoC Links
github.com ↗

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

CVE
CVE-2023-40042
Severity
CRITICAL
CVSS
9.8
EPSS
1.35%

Original NVD Description

TOTOLINK T10_v2 5.9c.5061_B20200511 has a stack-based buffer overflow in setStaticDhcpConfig in /lib/cste_modules/lan.so. Attackers can send crafted data in an MQTT packet, via the comment parameter, to control the return address and execute code.