# CVE-2026-18186

## Summary

- **CVE ID:** CVE-2026-18186
- **Severity:** HIGH
- **CVSS Score:** 7.1 (CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N)
- **CWE:** CWE-134
- **Published:** Jul 30, 2026
- **Last Modified:** Aug 4, 2026

## Description

A stored format string vulnerability was found in the FTP Backup on the ADM. The vulnerability occurs because user-controlled backup configuration data may be written into a task log and later processed through an unsafe format string operation. An authenticated attacker can exploit this issue to disclose memory information or cause denial of service of the affected CGI process.
Affected products and versions include: from ADM 4.1.0 through ADM 4.3.3.RUN1 as well as from ADM 5.0.0 through ADM 5.1.3.RI81.

## Affected Products

- ASUSTOR Inc. — ADM (5.0.0)
- ASUSTOR Inc. — ADM (4.1.0)

## References

- [CNA](https://www.asustor.com/security/security_advisory_detail?id=67)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.27%
- **EPSS Percentile:** 18.3

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._