8.1

CVE-2026-18188: asustor inc. adm

CVSS: 8.1v3.1HighAnalyzed
Published 30-07-2026Last modified 04-08-2026
Open JSON

Vulnerability summary

CVE-2026-18188 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 38.9% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (NVD)
EPSS score
0.46%
0%100%
Low · +0.20 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-07-2026
    PublishedVulnerability first disclosed.
  2. 04-08-2026
    Last modifiedVulnerability information updated.

Description

A format string vulnerability was found in the Rsync Backup on the ADM. The vulnerability occurs because user-controlled rsync backup configuration or log data may be 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 backup component. 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

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 20-09-2026

20-09-202620-10-2026
EPSS score
0.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected 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