vx800v firmware vulnerabilities and fixes
Recent CVEs affecting vx800v firmware, with upgrade or downgrade steps. 5 tracked.
Also searched as: vx800vfirmware.
vx800v firmware has 5 tracked vulnerabilities, 0 critical. A fixed release or vendor patch exists for 5. Most recent: 2026-01-29. Highest priority: CVE-2025-13399 (score 32/100).
- CVE-2025-15548 MEDIUM 6.5 UPGRADE Some VX800v v1.0 web interface endpoints transmit sensitive information over unencrypted HTTP due to missing a
- CVE-2025-15543 MEDIUM 4.6 UPGRADE Improper link resolution in USB HTTP access path in VX800v v1.0 allows a crafted USB device to expose root fil
- CVE-2025-15542 MEDIUM 5.3 UPGRADE Improper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the d
- CVE-2025-15541 MEDIUM 6.3 UPGRADE Improper link resolution in the VX800v v1.0 SFTP service allows authenticated adjacent attackers to use crafte
- CVE-2025-13399 HIGH 8.8 UPGRADE A weakness in the web interface’s application layer encryption in VX800v v1.0 allows an adjacent attacker to b
FAQ
How do I fix vx800v firmware vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is vx800v firmware being exploited right now?
None of the tracked vx800v firmware CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which vx800v firmware CVE should I patch first?
CVE-2025-13399 currently ranks highest (32/100): A weakness in the web interface’s application layer encryption in VX800v v1.0 allows an adjacent attacker to b.