# CVE-2025-55280: Information Disclosure Vulnerability in ZKTeco WL20

> Attackers with physical access can extract firmware to retrieve plaintext Wi-Fi credentials and system data, enabling unauthorized network access and data manipulation.

- **Severity:** Medium 5.2 (`CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Aug 2025
- **Updated:** 13 Aug 2025
- **Also known as:** GHSA-7xr8-3rww-649w

## What is CVE-2025-55280?

CVE-2025-55280 is a medium-severity vulnerability in ZKTeco Co WL20 Biometric Attendance System, published on 13 Aug 2025. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

This vulnerability exists in ZKTeco WL20 due to storage of Wi-Fi credentials, configuration data and system data in plaintext within the device firmware. An attacker with physical access could exploit this vulnerability by extracting the firmware and reverse engineer the binary data to access the plaintext sensitive data stored in the targeted device.  

Successful exploitation of this vulnerability could allow the attacker to gain unauthorized network access, retrieve and manipulate data on the targeted device.

Weakness: CWE-312 (Cleartext Storage of Sensitive Information)

## Which versions are affected by CVE-2025-55280?


## How do I fix CVE-2025-55280?

No fix has been published for CVE-2025-55280 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-55280 being exploited?

There is no known exploitation of CVE-2025-55280 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-55280 and fix it if it is affected.

What it is: CVE-2025-55280 is a medium-severity vulnerability in ZKTeco Co WL20 Biometric Attendance System, published on 13 Aug 2025. 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-2025-55280 in the wild and no public exploit code.

Affected product: ZKTeco Co WL20 Biometric Attendance System. 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-2025-55280/ (Markdown: https://insights.sbomify.com/CVE-2025-55280/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-55280
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-55280
- OSV: https://osv.dev/vulnerability/CVE-2025-55280

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-55280/
Summaries are generated and may contain mistakes; the official description above is the record.