# CVE-2022-36557: File upload in n/a

> Attackers can execute arbitrary code on Seiko SkyBridge label printers by uploading a malicious HTML file via the backup restore function.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 Aug 2022
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-6vc8-7fx9-5jgc

## What is CVE-2022-36557?

CVE-2022-36557 is a critical vulnerability in n/a, published on 29 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Seiko SkyBridge MB-A100/A110 v4.2.0 and below was discovered to contain an arbitrary file upload vulnerability via the restore backup function. This vulnerability allows attackers to execute arbitrary code via a crafted html file.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2022-36557?

It affects 2 products.


Products: Seiko-Sol Skybridge Mb-A100 Firmware, Seiko-Sol Skybridge Mb-A110 Firmware.

## How do I fix CVE-2022-36557?

No fix has been published for CVE-2022-36557 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-36557 being exploited?

There is no known exploitation of CVE-2022-36557 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2022-36556](https://insights.sbomify.com/CVE-2022-36556/): Command injection in n/a (critical 9.8)
- [CVE-2022-36558](https://insights.sbomify.com/CVE-2022-36558/): Hardcoded credentials in n/a (critical 9.8)
- [CVE-2023-23906](https://insights.sbomify.com/CVE-2023-23906/): Missing authorization in SkyBridge MB-A100/110 (high 7.5)
- [CVE-2023-25072](https://insights.sbomify.com/CVE-2023-25072/): Hardcoded credentials in SkyBridge MB-A100/110 (medium 6.5)
- [CVE-2023-25070](https://insights.sbomify.com/CVE-2023-25070/): Information disclosure in SkyBridge MB-A100/110 (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-36557 and fix it if it is affected.

What it is: CVE-2022-36557 is a critical vulnerability in n/a, published on 29 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-36557 in the wild and no public exploit code.

Affected product: n/a. 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-2022-36557/ (Markdown: https://insights.sbomify.com/CVE-2022-36557/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-36557
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-36557
- OSV: https://osv.dev/vulnerability/CVE-2022-36557

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-36557/
Summaries are generated and may contain mistakes; the official description above is the record.