What is CVE-2023-51126?

CVE-2023-51126 is a critical-severity vulnerability in Flir Ax8, classified under Command Injection. CVSS score: 9.8/10. Published 2024-01-10.

How severe is CVE-2023-51126?

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

Is CVE-2023-51126 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

RCE in Flir Ax8

CVE-2023-51126

Command injection vulnerability in /usr/www/res.php in FLIR AX8 up to 1.46.16 allows attackers to run arbitrary commands via the value parameter. NOTE: The vendor has stated that with the introduction of firmware version 1.49.16 (Jan 2023) the FLIR AX8 should no longer be affected by the vulnerability reported. Latest firmware version (as of Oct 2025, was released Jun 2024) is 1.55.16.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.311 (98.1th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

CWE-77 — Command Injection

Public proof-of-concept exploits

References

cve@mitre.org (Third Party Advisory)

Frequently asked questions

What is CVE-2023-51126?: CVE-2023-51126 is a critical-severity vulnerability in Flir Ax8, classified under Command Injection. CVSS score: 9.8/10. Published 2024-01-10.
How severe is CVE-2023-51126?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2023-51126 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.