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CVE-2026-40641 Dell CVE debrief

CVE-2026-40641 is a Use of a Broken or Risky Cryptographic Algorithm vulnerability in Dell PowerFlex Manager versions prior to 5.1.0.1. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure and Information tampering. The vulnerability has a CVSS score of 4.8 and a severity rating of MEDIUM. The affected product is Dell PowerFlex Manager, and the vulnerability class is related to the use of a broken or risky cryptographic algorithm. The likely operational impact of this vulnerability is information disclosure and tampering. However, the source confidence limits and review context are limited.

Vendor
Dell
Product
PowerFlex
CVSS
MEDIUM 4.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-17
Original CVE updated
2026-06-25
Advisory published
2026-06-17
Advisory updated
2026-06-25

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.

Official resources

AI-assisted PatchSiren debrief based on the supplied source corpus. 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.