CVE-2025-13399
HIGHDescription
A weakness in the web interface’s application layer encryption in VX800v v1.0 allows an adjacent attacker to brute force the weak AES key and decrypt intercepted traffic. Successful exploitation requires network proximity but no authentication, and may result in high impact to confidentiality, integrity, and availability of transmitted data.
How to fix
TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works
Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploit Intelligence
Low risk: more likely to be exploited than 5% of all known CVEs.
References
Related Vulnerabilities
Other CWE-331 vulnerabilities, ordered by exploit likelihood. View all
| CVE | Severity | CVSS | EPSS | Exploited | Fix |
|---|---|---|---|---|---|
| CVE-2008-1447 | Medium | 6.8 | 95% | - | Fix |
| CVE-2018-18326 | High | 7.5 | 54% | - | - |
| CVE-2018-15812 | High | 7.5 | 47% | - | - |
| CVE-2023-38357 | Medium | 5.3 | 5.3% | - | Fix |
| CVE-2015-3405 | High | 7.5 | 5.0% | - | Fix |
| CVE-2008-2108 | Critical | 9.8 | 4.3% | - | Fix |
Common questions
How do I fix CVE-2025-13399?
Upgrade vx800v firmware to 800.0.11 or later.
Is CVE-2025-13399 being actively exploited?
Not that we know of. CVE-2025-13399 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.16% is the estimated probability that it will be exploited in the next 30 days. That is higher than 5% of all scored CVEs.
How severe is CVE-2025-13399?
CVE-2025-13399 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.
What does CVE-2025-13399 affect?
Published advisories record a fix for vx800v firmware (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.
Embed a live status badge for CVE-2025-13399
Markdown
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-03-09.