Read the docs
TI-2025-27590 Aliases CVE-2025-41426GHSA-h5xv-74x6-xp2m

Vertiv Liebert RDU101 and UNITY Stack-based Buffer Overflow

Priority MEDIUM 49CWE-121Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

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

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00778 56th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
VertivLiebert RDU101up to 1.9.0.0—No fix listedCNA
VertivLiebert IS-UNITYup to 8.4.1.0—No fix listedCNA
  • Liebert RDU101 VendorVertiv Affected up to 1.9.0.0 Fixed in — No fix listed CNA
  • Liebert IS-UNITY VendorVertiv Affected up to 8.4.1.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-41426
  2. 2026-10-03 Alias added: GHSA-h5xv-74x6-xp2m

References

Other 2

  • TI-2026-80409 Command injection in Vertiv Avocent ACS8000 wsserver daemon CVSS 3.1CRITICAL 9.8
  • TI-2025-29133 Vertiv Liebert RDU101 and UNITY Authentication Bypass Using an Alternate Path or Channel CVSS 4.0CRITICAL 9.3
  • TI-2019-06942 The web interface of the Vertiv Avocent UMG-4000 version 4.2.1.19 is vulnerable to arbitrary remote code execution CVSS 3.1HIGH 8.3
  • TI-2022-26380 Cyclades Serial Console Server 3.3.0 - Local Privilege Escalation CVSS 4.0HIGH 8.5
  • TI-2018-09287 Emerson Liebert IntelliSlot Web Card devices allow remote attackers to reconfigure access… CVSS 3.1HIGH 7.5
  • TI-2018-07144 Geist WatchDog Console 3.2.2 uses a weak ACL for the C:\ProgramData\WatchDog Console… CVSS 3.1HIGH 7.8
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences