CVE-2026-40641 Dell CVE debrief

Who should care

Security teams and administrators responsible for Dell PowerFlex Manager systems should be aware of this vulnerability and take steps to mitigate it. The affected operators are security teams and administrators, and the platform is Dell PowerFlex Manager. The vulnerability-management impact is related to the use of a broken or risky cryptographic algorithm, and the security-team impact is related to information disclosure and tampering.

Technical summary

The vulnerability exists in Dell PowerFlex Manager versions prior to 5.1.0.1. The CVSS score for this vulnerability is 4.8, with a severity rating of MEDIUM. The vulnerability allows an unauthenticated attacker with remote access to potentially exploit the vulnerability, leading to Information disclosure and Information tampering. The affected product context is Dell PowerFlex Manager, and the defensive impact is related to information disclosure and tampering. The source-grounded technical framing is based on the official CVE record and NVD details.

Defensive priority

Medium priority should be given to patching or mitigating this vulnerability, as it could lead to information disclosure and tampering.

Recommended defensive actions

• Apply the patch or update to version 5.1.0.1 or later
• Restrict remote access to the PowerFlex Manager system
• Monitor for suspicious activity
• Implement additional security controls to detect and prevent exploitation
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-06-17T15:16:49.640Z and was last modified on 2026-06-25T13:16:39.813Z. The NVD entry is currently Modified. This vulnerability affects Dell PowerFlex Manager versions prior to 5.1.0.1. The CVSS score for this vulnerability is 4.8, with a severity rating of MEDIUM. The vulnerability allows an unauthenticated attacker with remote access to potentially exploit the vulnerability, leading to Information disclosure and Information tampering. However, detailed information about the vulnerability, such as its root cause or potential exploits, is limited. Security teams should verify the affected systems and review the official advisory for further details.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.