CVE-2026-18188

EUVD-2026-50950

30.07.2026, 03:16

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.

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
ASUSTOR1	CNA	7.1 HIGH	NETWORK	LOW	LOW	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N

Base Score

CVSS 3.x

EPSS Score

Percentile: 13%

Early Detection

Affected products identified ahead of NVD analysis through intelligence sources.

Vendor	Product	Version	Source
asustor	adm	5.0.0 ≤	CNA
asustor	adm	4.1.0 ≤	CNA

Common Weakness Enumeration

CWE-134 - Use of Externally-Controlled Format String
The software uses a function that accepts a format string as an argument, but the format string originates from an external source.

References

https://www.asustor.com/security/security_advisory_detail?id=67