Stack-Based Buffer Overflow in File Explorer of ADM by Asustor
CVE-2026-67248

8.7HIGH

Key Information:

Vendor

Asustor Inc.

Status
Adm
Vendor
CVE Published:
30 July 2026

What is CVE-2026-67248?

A stack-based buffer overflow vulnerability exists in the File Explorer component of Asustor's ADM, where improper validation of user-controlled input allows an authenticated attacker to exploit this issue. This may lead to a denial of service for the affected CGI process. Depending on exploitability and runtime protections in place, further impacts could be possible, highlighting the need for immediate attention from system administrators and users.

Affected Version(s)

ADM Linux 5.0.0 <= 5.1.3.RI81

ADM Linux 4.1.0 <= 4.3.3.RUN1

References

https://www.asustor.com/security/security_advisory_detail...
vendor-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Jincheng Wang (@winmt) from Nanjing University of Posts and Telecommunications
.