CVE-2025-51643: Meitrack T366G-L GPS Tracker devices contain an SPI flash chip (Winbond 25Q64JVSIQ) that is accessible without

Routine

LOW 2.4MITIGATE

CVE-2025-51643 is a low-severity flaw (CVSS 2.4) affecting t366l-g firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.4 (Low)
Attack vector	Physical
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-200
Published	2025-08-28
Last modified	2026-09-26

Publisher (CNA): MITRE · Vendor: meitrack

Last updated 2026-09-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-28 16:15 UTCPublished CVE record published
2026-09-26 00:10 UTCUpdated Record last modified

meitrack t366l-g firmware MITIGATE

Affected: t366l_y24h131v039

Fixed in: no fixed release known

Safe to downgrade to: a release before t366l_y24h131v039

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-51643?

t366l-g firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-51643 being exploited?

CVE-2025-51643 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-51643 affect?

CVE-2025-51643 affects t366l-g firmware. Severity is low (CVSS 2.4). 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

How urgent is CVE-2025-51643?

Priority 13/100. No elevated risk signals yet.

References

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