What is CVE-2020-25189?

CVE-2020-25189 is a critical-severity vulnerability in Paradox Ip150, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2020-11-21.

How severe is CVE-2020-25189?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Paradox Ip150

CVE-2020-25189

The affected product is vulnerable to three stack-based buffer overflows, which may allow an unauthenticated attacker to remotely execute arbitrary code on the IP150 (firmware versions 5.02.09).

Vulnerability class: Buffer Overflow

Published 2020-11-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.026 (85.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000

Affected products

Paradox Ip150
Paradox Ip150 Firmware — versions 5.02.09
Ip150 — versions Firmware version 5.02.09

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

us-cert.cisa.gov/ics/advisories/icsa-20-324-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2020-25189?: CVE-2020-25189 is a critical-severity vulnerability in Paradox Ip150, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2020-11-21.
How severe is CVE-2020-25189?: Critical severity. CVSS v3 base score is 9.8 out of 10.