What is CVE-2023-2521?

A vulnerability was found in NEXTU NEXT-7004N 3.0.1. It has been classified as problematic. Affected is an unknown function of the file /boafrm/formFilter of the component POST Request Handler. The manipulation of the argument url with the input leads to cross site scripting. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-228012. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

How severe is CVE-2023-2521?

CVE-2023-2521 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-2521 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2521?

CVE-2023-2521 affects Ez-net Next-7004n Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2521?

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

When was CVE-2023-2521 published?

CVE-2023-2521 was published on 2023-05-04 and last updated on 2026-06-17.

CVE-2023-2521

CVE-2023-2521 is a low-severity vulnerability in Ez-net Next-7004n Firmware with a CVSS 3.x base score of 3.5. 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: Low (CVSS 3.x base score 3.5)
CVSS v2: 4.0
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ez-net Next-7004n Firmware
Published: 2023-05-04
Last modified: 2026-06-17

Description

A vulnerability was found in NEXTU NEXT-7004N 3.0.1. It has been classified as problematic. Affected is an unknown function of the file /boafrm/formFilter of the component POST Request Handler. The manipulation of the argument url with the input <svg onload=alert(1337)> leads to cross site scripting. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-228012. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2023-2521?: A vulnerability was found in NEXTU NEXT-7004N 3.0.1. It has been classified as problematic. Affected is an unknown function of the file /boafrm/formFilter of the component POST Request Handler. The manipulation of the argument url with the input <svg onload=alert(1337)> leads to cross site scripting. It is possible to launch the attack remotely. The identifier of this vulnerability is VDB-228012. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2023-2521?: CVE-2023-2521 has a CVSS 3.x base score of 3.5, rated low severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-2521 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2521?: CVE-2023-2521 affects Ez-net Next-7004n Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2521?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-2521 published?: CVE-2023-2521 was published on 2023-05-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:ez-net:next-7004n_firmware:3.0.1:*:*:*:*:*:*:*

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