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

> An authenticated adjacent attacker can read arbitrary files or cause denial of service on TP-Link Deco BE25 devices via path traversal.

- **Severity:** Medium 6.9 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Mar 2026
- **Updated:** 2 Mar 2026
- **Also known as:** GHSA-g3vf-pwqx-vc86

## What is CVE-2026-0655?

CVE-2026-0655 is a medium-severity path traversal vulnerability in TP-Link Systems Inc. Deco BE25 v1.0, published on 2 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official 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.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2026-0655?

It affects 1 product.


Products: Tp-Link Deco Be25 Firmware.

## How do I fix CVE-2026-0655?

No fix has been published for CVE-2026-0655 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-0655 being exploited?

There is no known exploitation of CVE-2026-0655 in the wild and no public exploit code.

## Other vulnerabilities in TP-Link Systems Inc. Deco BE25 v1.0

- [CVE-2026-0654](https://insights.sbomify.com/CVE-2026-0654/): Command injection on TP-Link Deco BE25 (high 8.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-0655 and fix it if it is affected.

What it is: CVE-2026-0655 is a medium-severity path traversal vulnerability in TP-Link Systems Inc. Deco BE25 v1.0, published on 2 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-0655 in the wild and no public exploit code.

Affected product: TP-Link Systems Inc. Deco BE25 v1.0. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-0655/ (Markdown: https://insights.sbomify.com/CVE-2026-0655/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-0655
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-0655
- OSV: https://osv.dev/vulnerability/CVE-2026-0655

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-0655/
Summaries are generated and may contain mistakes; the official description above is the record.