Vulnerability Details CVE-2026-18188
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 13.4%
CVSS Severity
CVSS v3 Score 8.1
Products affected by CVE-2026-18188
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cpe:2.3:o:asustor:data_master:4.1.0.rhu2
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cpe:2.3:o:asustor:data_master:4.1.0.rj72
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cpe:2.3:o:asustor:data_master:4.1.0.rjd1
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cpe:2.3:o:asustor:data_master:4.1.0.rkm1
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cpe:2.3:o:asustor:data_master:4.1.0.rlq1
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cpe:2.3:o:asustor:data_master:4.2.0.rc81
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cpe:2.3:o:asustor:data_master:4.2.0.re71
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cpe:2.3:o:asustor:data_master:4.2.1.rge2
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cpe:2.3:o:asustor:data_master:4.2.2.ri61
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cpe:2.3:o:asustor:data_master:4.2.3.rk91
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cpe:2.3:o:asustor:data_master:4.2.4.rl82
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cpe:2.3:o:asustor:data_master:4.2.5.rn33
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cpe:2.3:o:asustor:data_master:4.2.6.ror2
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cpe:2.3:o:asustor:data_master:4.2.6.rpi1
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cpe:2.3:o:asustor:data_master:4.2.7.rr41
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cpe:2.3:o:asustor:data_master:4.2.7.rrd1
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cpe:2.3:o:asustor:data_master:4.3.0.rsb1
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cpe:2.3:o:asustor:data_master:4.3.1.r6c1
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cpe:2.3:o:asustor:data_master:4.3.1.r752
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cpe:2.3:o:asustor:data_master:4.3.2.r9q2
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cpe:2.3:o:asustor:data_master:4.3.3.rc92
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cpe:2.3:o:asustor:data_master:4.3.3.rfk1
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cpe:2.3:o:asustor:data_master:4.3.3.rh61
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cpe:2.3:o:asustor:data_master:4.3.3.rjh1
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cpe:2.3:o:asustor:data_master:4.3.3.rjl1
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cpe:2.3:o:asustor:data_master:4.3.3.rkd2
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cpe:2.3:o:asustor:data_master:4.3.3.rof1
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cpe:2.3:o:asustor:data_master:4.3.3.rr42
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cpe:2.3:o:asustor:data_master:4.3.3.rsu1
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cpe:2.3:o:asustor:data_master:4.3.3.rtb1
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cpe:2.3:o:asustor:data_master:4.3.3.run1
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cpe:2.3:o:asustor:data_master:5.0.0.ra82
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cpe:2.3:o:asustor:data_master:5.0.0.rcg1
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cpe:2.3:o:asustor:data_master:5.0.0.reo2
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cpe:2.3:o:asustor:data_master:5.0.0.rfp3
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cpe:2.3:o:asustor:data_master:5.0.0.rhn2
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cpe:2.3:o:asustor:data_master:5.0.0.rin1
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cpe:2.3:o:asustor:data_master:5.0.0.rjg2
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cpe:2.3:o:asustor:data_master:5.0.0.rjl1
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cpe:2.3:o:asustor:data_master:5.0.1.rkd2
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cpe:2.3:o:asustor:data_master:5.1.0.rmm1
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cpe:2.3:o:asustor:data_master:5.1.0.rn42
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cpe:2.3:o:asustor:data_master:5.1.1.rci1
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cpe:2.3:o:asustor:data_master:5.1.2.reo1
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cpe:2.3:o:asustor:data_master:5.1.3.rgo1
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cpe:2.3:o:asustor:data_master:5.1.3.rh72
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cpe:2.3:o:asustor:data_master:5.1.3.ri81