CVE-2026-67248: asustor inc. adm Stack-based Buffer Overflow
Vulnerability summary
CVE-2026-67248 is a high (CVSS 8.8) Stack-based Buffer Overflow vulnerability in asustor inc. adm. EPSS estimates a 0.49% chance of exploitation in the next 30 days, higher than 40.6% of scored vulnerabilities.
Timeline
- 30-07-2026PublishedVulnerability first disclosed.
- 04-08-2026Last modifiedVulnerability information updated.
Description
A stack-based buffer overflow vulnerability was found in the File Explorer on the ADM. The vulnerability occurs because user-controlled input is not properly validated before being decoded and copied into a fixed-size stack buffer. An authenticated attacker can exploit this issue to cause denial of service of the affected CGI process. Further impact may be possible depending on exploitability and runtime protections. 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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST8.7HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS trend
Probability
0.49%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
+0.21 pp
From 0.28% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Asustor1 product
- data_master≥ 4.1.0.rhu2, ≤ 4.3.3.run1 | ≥ 5.0.0.ra82, < 5.1.4.rjv2
Asustor inc.1 product
- adm≥ 5.0.0, ≤ 5.1.3.RI81 | ≥ 4.1.0, ≤ 4.3.3.RUN1
2 vendors · 2 products
References
1 links- www.asustor.com/security/security_advisory_detail?id=69Vendor Advisory