Detections
Analytics

FLIR Systems AX8 Cameras Command Injection (CVE-2023-51126)

critical Tenable OT Security Plugin ID 505190

Synopsis

The remote OT asset is affected by a vulnerability.

Description

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.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

Refer to the vendor advisory.

See Also

https://github.com/risuxx/CVE-2023-51126

Plugin Details

Severity: Critical

ID: 505190

File Name: tenable_ot_flirsystems_CVE-2023-51126.nasl

Version: 1.2

Type: remote

Family: Tenable.ot

Published: 2/19/2026

Updated: 2/20/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2023-51126

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:flir:flir_ax8_firmware

Required KB Items: Tenable.ot/FLIRSystems

Exploit Ease: No known exploits are available

Patch Publication Date: 1/10/2024

Vulnerability Publication Date: 1/10/2024

Reference Information

CVE: CVE-2023-51126

CWE: 77