What is CVE-2018-25139?

CVE-2018-25139 is a high-severity vulnerability in Flir Ax8, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2025-12-24.

How severe is CVE-2018-25139?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Flir Ax8

CVE-2018-25139

FLIR AX8 Thermal Camera 1.32.16 contains an unauthenticated vulnerability that allows remote attackers to access live video streams without credentials. Attackers can directly connect to the RTSP stream using tools like VLC or FFmpeg to view and record thermal camera footage.

Vulnerability class: Broken Authentication

Published 2025-12-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.8th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Flir Ax8
Flir Ax8 Firmware — versions 1.32.16, 1.17.13
Flir Systems, Inc. Ax8 Thermal Camera — versions 1.32.16

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

www.exploit-db.com/exploits/45606 (Exploit, VDB Entry, Third Party Advisory, exploit)
www.flir.com (Product, product)
www.zeroscience.mk/en/vulnerabilities/ZSL-2018-5492.php (Exploit, Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2018-25139?: CVE-2018-25139 is a high-severity vulnerability in Flir Ax8, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2025-12-24.
How severe is CVE-2018-25139?: High severity. CVSS v3 base score is 7.5 out of 10.