CVE-2025-41426: Vertiv Liebert RDU101 and UNITY Stack-based Buffer Overflow
Deferred
Published 21-05-2025Last modified 21-05-2025
Vulnerability summary
CVE-2025-41426 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in vertiv liebert is-unity. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 55.5% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.78%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 21-05-2025PublishedVulnerability first disclosed.
- 21-05-2025Last modifiedVulnerability information updated.
Description
Affected Vertiv products contain a stack based buffer overflow vulnerability. An attacker could exploit this vulnerability to gain code execution on the device.
CVSS metrics
4 scores · 2 sources · 2 versionsCritical 9.3Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST9.3CriticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Critical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.78%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
Increase +0.03 pp
From 0.75% on 26-09-2026
26-09-202626-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Vertiv2 products
- liebert is-unity≤ 8.4.1.0
- liebert rdu101≤ 1.9.0.0
1 vendor · 2 products