RCE in Bivocom Tr321
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (24.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.001
Affected products
- Bivocom Tr321 — versions 21.1.1.50
Weakness classification (CWE)
References
- vuldb.com/vuln/359558 (technical-description, vdb-entry)
- vuldb.com/vuln/359558/cti (signature, permissions-required)
- vuldb.com/submit/797250 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-6999?
- CVE-2026-6999 is a low-severity vulnerability in Bivocom Tr321, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2026-04-25.
- How severe is CVE-2026-6999?
- Low severity. CVSS v3 base score is 2.4 out of 10.