Vulnerability · Published May 21, 2025 · Assigned by icscert

CVE-2025-41426Vertiv Liebert RDU101 and UNITY Stack-based Buffer Overflow

Critical 9.8

In plain English

A critical-severity stack buffer overflow in Liebert IS-UNITY from Vertiv. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.8%top 44.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Affected Vertiv products contain a stack based buffer overflow vulnerability. An attacker could exploit this vulnerability to gain code execution on the device.

Affected products (as reported)

VendorProductVersions
Vertiv Liebert RDU101 0 – through 1.9.0.0
Vertiv Liebert IS-UNITY 0 – through 8.4.1.0

Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References