What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-05-21 · updated 2026-06-17
• Weakness: CWE-121

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

• Vertiv Liebert IS-UNITY: through 8.4.1.0
• Vertiv Liebert RDU101: through 1.9.0.0

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-25-140-10
• https://www.vertiv.com/en-us/support/security-support-center/

Get alerted when CVE-2025-41426 or the next vulnerability affects your stack