A stored format string vulnerability was found in the FTP Backup on the ADM
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · High
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
ASUSTOR ADM — asustor.com/security/security_advisory_detail?id=67
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-47560 A format string vulnerability was found in the Notification OAuth settings of ADMPriority MEDIUM 40
- TI-2026-14967 A format string vulnerability was found in the Rsync Backup on the ADMPriority LOW 32
- TI-2026-14966 A format string vulnerability was found in the Internal Backup on the ADMPriority LOW 32
Timeline
- 2026-10-02 Threatist record created from CVE-2026-18186
- 2026-10-03 Alias added: GHSA-5hfx-gvvr-p6xh
References
More ASUSTOR Data Master vulnerabilities
- TI-2026-05831 OS command injection in ASUSTOR ADM CVSS 4.0CRITICAL 9.4
- TI-2026-20121 An improper input validation vulnerability was found in ADM while joining a AD Domain. CVSS 4.0CRITICAL 9.5
- TI-2018-08830 OS command injection in snmp.cgi in ASUSTOR ADM version 3.1.1 allows attackers to execute… CVSS 3.0CRITICAL 9.8
- TI-2018-08834 OS command injection in group.cgi in ASUSTOR ADM version 3.1.1 allows attackers to… CVSS 3.0HIGH 8.8
- TI-2018-08833 OS Command Injection in upload.cgi in ASUSTOR ADM version 3.1.1 allows attackers to… CVSS 3.0HIGH 8.8
- TI-2018-08829 OS command injection in user.cgi in ASUSTOR ADM version 3.1.1 allows attackers to execute… CVSS 3.0HIGH 8.8
Sources
- CVE-2026-18186 · CVE Program
- CVE-2026-18186 · NVD
- FIRST EPSS
- GHSA-5hfx-gvvr-p6xh · GitHub Advisory Database · CC BY 4.0
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