CVE-2025-51643

LOW

Meitrack T366G-L GPS Tracker Firmware - Unauthenticated Sensitive Information Exposure via SPI Flash Access

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-51643. PoCs published by NastyCrow.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2025-51643, which involves an unprotected SPI flash chip in Meitrack T366G-L GPS trackers. The vulnerability allows physical attackers to extract firmware and sensitive configuration data using standard tools like `flashrom`.

Description

Meitrack T366G-L GPS Tracker devices contain an SPI flash chip (Winbond 25Q64JVSIQ) that is accessible without authentication or tamper protection. An attacker with physical access to the device can use a standard SPI programmer to extract the firmware using flashrom. This results in exposure of sensitive configuration data such as APN credentials, backend server information, and network parameter

Exploits (1)

nomisec WRITEUP
by NastyCrow · poc
https://github.com/NastyCrow/CVE-2025-51643

This repository provides a detailed technical analysis of CVE-2025-51643, which involves an unprotected SPI flash chip in Meitrack T366G-L GPS trackers. The vulnerability allows physical attackers to extract firmware and sensitive configuration data using standard tools like `flashrom`.

Classification
Writeup 100%
Attack Type
Info Leak
Complexity
Moderate
Reliability
Reliable
Target: Meitrack T366G-L GPS Tracker (Firmware: T366L_Y24H131V039)
No auth needed
Prerequisites: Physical access to the device · SPI programmer (e.g., CH341A) · Basic hardware disassembly skills
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 2.4
EPSS 0.0024
EPSS Percentile 15.4%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-200
Status published
Products (1)
meitrack/t366l-g_firmware t366l_y24h131v039
Published Aug 28, 2025
Tracked Since Feb 18, 2026