How severe is CVE-2025-65231?

CVE-2025-65231 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-2025-65231 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-65231?

CVE-2025-65231 affects Barix Instreamer Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-65231?

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

Does CVE-2025-65231 have an EU (EUVD) identifier?

Yes. CVE-2025-65231 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201805.

When was CVE-2025-65231 published?

CVE-2025-65231 was published on 2025-12-08 and last updated on 2026-06-17.

CVE-2025-65231

CVE-2025-65231 is a medium-severity vulnerability in Barix Instreamer 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% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-201805
Weakness: CWE-79
Affected product: Barix Instreamer Firmware
Published: 2025-12-08
Last modified: 2026-06-17

Description

Barix Instreamer v04.06 and earlier is vulnerable to Cross Site Scripting (XSS) in the Web UI I/O & Serial configuration page, specifically the CTS close command user-input field which is stored and later rendered on the Status page.

Frequently asked questions

What is CVE-2025-65231?: Barix Instreamer v04.06 and earlier is vulnerable to Cross Site Scripting (XSS) in the Web UI I/O & Serial configuration page, specifically the CTS close command user-input field which is stored and later rendered on the Status page.
How severe is CVE-2025-65231?: CVE-2025-65231 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-2025-65231 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-65231?: CVE-2025-65231 affects Barix Instreamer Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-65231?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-65231 have an EU (EUVD) identifier?: Yes. CVE-2025-65231 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-201805.
When was CVE-2025-65231 published?: CVE-2025-65231 was published on 2025-12-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:barix:instreamer_firmware:*:*:*:*:*:*:*:*

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