CVE-2023-51126

Flir Ax8 Firmware vulnerability

CVSS

9.8

EPSS

31.1%

EPSS pct

98th

Exploited

No known

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.

Affected vendor

Flir

Affected product

Flir Ax8 Firmware

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-77 — Command Injection

Published

2024-01-10

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 31.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2023-51126

Confirm whether Flir Flir Ax8 Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2023-51126.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2023-51126

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2023-51126 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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