CVE-2026-18187: asustor inc. adm
Vulnerability summary
CVE-2026-18187 is a high (CVSS 8.1) vulnerability in asustor inc. adm. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 39.1% of scored vulnerabilities.
Timeline
- 30-07-2026PublishedVulnerability first disclosed.
- 04-08-2026Last modifiedVulnerability information updated.
Description
A format string vulnerability was found in the Internal Backup on the ADM. The vulnerability occurs because user-controlled task input may be included in an error response and 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.
CVSS metrics
3 scores · 2 sources · 2 versions- NVDNIST7.1HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/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
0.46%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
+0.20 pp
From 0.27% on 21-09-2026
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=67Vendor Advisory