How severe is CVE-2023-31851?

CVE-2023-31851 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-31851 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31851?

CVE-2023-31851 primarily affects Cudy Lt400 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-31851?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-31851 published?

CVE-2023-31851 was published on 2023-07-17 and last updated on 2026-06-17.

CVE-2023-31851

CVE-2023-31851 is a medium-severity vulnerability in Cudy Lt400 Firmware with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cudy Lt400 Firmware
Published: 2023-07-17
Last modified: 2026-06-17

Description

Cudy LT400 1.13.4 is has a cross-site scripting (XSS) vulnerability in /cgi-bin/luci/admin/network/wireless/status via the iface parameter.

Frequently asked questions

What is CVE-2023-31851?: Cudy LT400 1.13.4 is has a cross-site scripting (XSS) vulnerability in /cgi-bin/luci/admin/network/wireless/status via the iface parameter.
How severe is CVE-2023-31851?: CVE-2023-31851 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-31851 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31851?: CVE-2023-31851 primarily affects Cudy Lt400 Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-31851?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-31851 published?: CVE-2023-31851 was published on 2023-07-17 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:cudy:lt400_firmware:1.13.4:*:*:*:*:*:*:*
cpe:2.3:o:cudy:lt400_firmware:1.15.18:*:*:*:*:*:*:*
cpe:2.3:o:cudy:lt400_firmware:1.15.27:*:*:*:*:*:*:*

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CVE-2023-31853 — Medium (CVSS 6.1): Cudy LT400 1.13.4 is vulnerable Cross Site Scripting (XSS) in /cgi-bin/luci/admin/network/bandwidth via the icon…
CVE-2023-31852 — Medium (CVSS 6.1): Cudy LT400 1.13.4 is vulnerable to Cross Site Scripting (XSS) in cgi-bin/luci/admin/network/wireless/config via the…

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