How severe is CVE-2024-36491?

CVE-2024-36491 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-2024-36491 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-36491?

CVE-2024-36491 primarily affects Centurysys Futurenet Nxr-1300 Firmware. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-36491?

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-2024-36491 have an EU (EUVD) identifier?

Yes. CVE-2024-36491 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36123.

When was CVE-2024-36491 published?

CVE-2024-36491 was published on 2024-07-17 and last updated on 2026-06-17.

CVE-2024-36491

CVE-2024-36491 is a critical-severity vulnerability in Centurysys Futurenet Nxr-1300 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-36123
Weakness: CWE-78
Affected product: Centurysys Futurenet Nxr-1300 Firmware
Published: 2024-07-17
Last modified: 2026-06-17

Description

FutureNet NXR series, VXR series and WXR series provided by Century Systems Co., Ltd. allow an administrative user to execute an arbitrary OS command, obtain and/or alter sensitive information, and cause a denial-of-service (DoS) condition.

Frequently asked questions

What is CVE-2024-36491?: FutureNet NXR series, VXR series and WXR series provided by Century Systems Co., Ltd. allow an administrative user to execute an arbitrary OS command, obtain and/or alter sensitive information, and cause a denial-of-service (DoS) condition.
How severe is CVE-2024-36491?: CVE-2024-36491 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-2024-36491 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-36491?: CVE-2024-36491 primarily affects Centurysys Futurenet Nxr-1300 Firmware. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-36491?: 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-2024-36491 have an EU (EUVD) identifier?: Yes. CVE-2024-36491 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-36123.
When was CVE-2024-36491 published?: CVE-2024-36491 was published on 2024-07-17 and last updated on 2026-06-17.

References

Affected products (22)

cpe:2.3:o:centurysys:futurenet_nxr-1300_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-155\/c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-610x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-g050_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-g060_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-g100_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-g110_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-g120_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-g200_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_vxr-x64:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_vxr-x86:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-160\/lw_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-230\/c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-350\/c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-530_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-650_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-g180\/l-ca_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-130\/c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-125\/cx_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-120\/c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_wxr-250_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:centurysys:futurenet_nxr-1200_firmware:*:*:*:*:*:*:*:*

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