CVE-2026-67246 ASUSTOR Inc. CVE debrief

Who should care

Asustor ADM administrators and users, cybersecurity teams responsible for patching and vulnerability management, IT professionals managing Asustor devices, and security teams monitoring for potential exploitation attempts in their environments should all be aware of this vulnerability and take necessary actions to mitigate its impact.

Why it matters

CVE-2026-67246 is a medium-severity path traversal vulnerability in Asustor ADM that requires patching and verification to prevent potential file access or manipulation by authenticated attackers.

• Potential file access or manipulation outside intended directories
• Possible exploitation by authenticated attackers
• Need for patching and verification of affected versions
• Importance of monitoring for suspicious activity

Technical summary

The vulnerability occurs because user-controlled wallpaper path input is not sufficiently validated before being used for file access. An authenticated attacker can exploit this issue to access or manipulate files outside the intended wallpaper directory, subject to user permissions and filesystem restrictions. This issue affects Asustor ADM versions from 4.1.0 through 4.3.3.RUN1 and from 5.0.0 through 5.1.3.RI81. Technical details are based on CVE and NVD data, which provide a foundation for understanding the vulnerability.

Defensive priority

Medium-priority patching and verification recommended for affected Asustor ADM versions

Recommended defensive actions

• Patch affected Asustor ADM versions to prevent potential file access or manipulation
• Verify user permissions and filesystem restrictions to limit potential impact
• Monitor for authenticated attackers attempting to exploit this vulnerability
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE record and NVD entry provide details on the path traversal vulnerability in Asustor ADM. Affected versions include ADM 4.1.0 through ADM 4.3.3.RUN1 and ADM 5.0.0 through ADM 5.1.3.RI81. The vulnerability allows authenticated attackers to access or manipulate files outside intended directories. Evidence is based on CVE and NVD data, which may have limitations in scope and details. Verify affected deployments and review official advisories for accurate impact.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.