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High 8.1Published Jul 30, 2026

CVE-2026-18188A format string vulnerability was found in the Rsync Backup on the ADM.

Updated under an hour ago ()

Does this affect you?

It affects asustor data_master. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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
8.1 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness (CWE)
CWE-134
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Not given
NVD analysis
Analyzed
Record last updated
Aug 4, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
asustor data_master
asustor:data_master
from 4.1.0.rhu2 through 4.3.3.run1; from 5.0.0.ra82 before 5.1.4.rjv2
NVD

References

  • vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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