CVE-2026-6999

CVE-2026-6999 is a low-severity vulnerability with a CVSS 3.x base score of 2.4. 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

Description

A flaw has been found in BIVOCOM TR321 21.1.1.50. Affected by this vulnerability is an unknown functionality of the component Wireless Setting. This manipulation of the argument Network Name SSID causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been published and may be used. You should upgrade the affected component.

Frequently asked questions

What is CVE-2026-6999?
A flaw has been found in BIVOCOM TR321 21.1.1.50. Affected by this vulnerability is an unknown functionality of the component Wireless Setting. This manipulation of the argument Network Name SSID causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been published and may be used. You should upgrade the affected component.
How severe is CVE-2026-6999?
CVE-2026-6999 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-6999 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-6999?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-6999 have an EU (EUVD) identifier?
Yes. CVE-2026-6999 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25673.
When was CVE-2026-6999 published?
CVE-2026-6999 was published on 2026-04-25 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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