Vulnerability in Eg4 Electronics 12000xp

CVE-2025-53520

The affected product allows firmware updates to be downloaded from EG4's website, transferred via USB dongles, or installed through EG4's Monitoring Center (remote, cloud-connected interface) or via a serial connection, and can install these files without integrity checks. The TTComp archive format used for the firmware is unencrypted and can be unpacked and altered without detection.

EPSS: 0.002 (10.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-53520?
CVE-2025-53520 is a high-severity vulnerability in Eg4 Electronics 12000xp, classified under Download of Code Without Integrity Check. CVSS score: 8.8/10. Published 2025-08-08.
How severe is CVE-2025-53520?
High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-53520 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.