How severe is CVE-2025-63211?

CVE-2025-63211 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-2025-63211 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-63211?

CVE-2025-63211 primarily affects Bridgetech Vbc Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-63211?

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

Does CVE-2025-63211 have an EU (EUVD) identifier?

Yes. CVE-2025-63211 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198177.

When was CVE-2025-63211 published?

CVE-2025-63211 was published on 2025-11-19 and last updated on 2026-06-17.

CVE-2025-63211

CVE-2025-63211 is a medium-severity vulnerability in Bridgetech Vbc Server 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% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198177
Weakness: CWE-79
Affected product: Bridgetech Vbc Server
Published: 2025-11-19
Last modified: 2026-06-17

Description

Stored cross-site scripting vulnerability in bridgetech VBC Server & Element Manager, firmware versions 6.5.0-9 thru 6.5.0-10, allows attackers to execute arbitrary code via the addName parameter to the /vbc/core/userSetupDoc/userSetupDoc endpoint.

Frequently asked questions

What is CVE-2025-63211?: Stored cross-site scripting vulnerability in bridgetech VBC Server & Element Manager, firmware versions 6.5.0-9 thru 6.5.0-10, allows attackers to execute arbitrary code via the addName parameter to the /vbc/core/userSetupDoc/userSetupDoc endpoint.
How severe is CVE-2025-63211?: CVE-2025-63211 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-2025-63211 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-63211?: CVE-2025-63211 primarily affects Bridgetech Vbc Server. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-63211?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-63211 have an EU (EUVD) identifier?: Yes. CVE-2025-63211 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198177.
When was CVE-2025-63211 published?: CVE-2025-63211 was published on 2025-11-19 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:bridgetech:vbc_server:6.5.0-9:*:*:*:*:*:*:*
cpe:2.3:a:bridgetech:vbc_server:6.5.0-10:*:*:*:*:*:*:*

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