Public proof of concept

CVE-2023-51126

A public proof of concept exists; no exploitation attested.

Published2024-01-10
WeaknessCWE-77

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC

2024-01-1021:15CVE publishedNVD
2026-10-2319:23First public proof of conceptPoC-in-GitHub
2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-51126?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-51126?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Flir flir ax8 firmwareversion to verify

Branch	Affected	Fixed in	Source
1.46	≤ 1.46.16	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-10-23 19:23 UTC

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: 1 repository, unverifiedrisuxx/CVE-2023-51126

Sources

CISA-ADPSSVC decisionnone2024-01-11
OpenCVESSVC decisionnone—
CISA-ADPCVSS 3.19.82025-06-20
NVDCVSS 3.19.8read 2026-10-23
CISA-ADPweakness (CWE)CWE-772025-06-20
NVDweakness (CWE)CWE-77read 2026-10-23
FIRST EPSSEPSS score31.1 %read 2026-10-23
PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2024-01-10
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2023-51126?

Is CVE-2023-51126 actively exploited?

Active exploitation of CVE-2023-51126 has not been confirmed. Its EPSS score was 31.1% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-51126?

CVE-2023-51126 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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