How severe is CVE-2023-51126?

CVE-2023-51126 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-51126 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-51126?

CVE-2023-51126 affects Flir Flir Ax8 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-51126?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2023-51126 have an EU (EUVD) identifier?

Yes. CVE-2023-51126 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55848.

When was CVE-2023-51126 published?

CVE-2023-51126 was published on 2024-01-10 and last updated on 2026-06-17.

CVE-2023-51126

CVE-2023-51126 is a critical-severity vulnerability in Flir Flir Ax8 Firmware with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 31% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 31% (98th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-55848
Weakness: CWE-77
Affected product: Flir Flir Ax8 Firmware
Published: 2024-01-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2023-51126?: CVE-2023-51126 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-51126 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 31% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-51126?: CVE-2023-51126 affects Flir Flir Ax8 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-51126?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2023-51126 have an EU (EUVD) identifier?: Yes. CVE-2023-51126 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-55848.
When was CVE-2023-51126 published?: CVE-2023-51126 was published on 2024-01-10 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:o:flir:flir_ax8_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Flir Flir Ax8 Firmware

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