PowerStore 500T: Out-of-bounds Read
CVE-2026-111547 is a high-severity out-of-bounds read vulnerability in PowerStore 500T from Dell, with a CVSS 3.1 base score of 8.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. The record lists version 5.1.0.0-2798105 or later as the first without the flaw, so updating PowerStore 500T to that release or later removes the exposure. There is no confirmed exploitation so far. EPSS estimates a 0.41% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update PowerStore 500T to 5.1.0.0-2798105 or later or a later version.
- Update PowerStore 1000T to 5.1.0.0-2798105 or later or a later version.
- Update PowerStore 1200T to 5.1.0.0-2798105 or later or a later version.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Dell | PowerStore 500T | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 1000T | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 1200T | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 3000T | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 3200Q | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 3200T | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 5000T | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 5200Q | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 5200T | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 7000T | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 9000T | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 9200T | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 1500 | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 5500 | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
| Dell | PowerStore 9500 | before 5.1.0.0-2798105 or later | 5.1.0.0-2798105 or later |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- HighSuccess depends on conditions outside the attacker's control.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by CNA (emc.com).
Official description
Dell PowerStore contains an out-of-bounds read vulnerability. An attacker could exploit this vulnerability, potentially leading to denial of service or limited information disclosure.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.
How developers prevent this class of flaw
- Use a language that provides appropriate memory abstractions.
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: none, automatable: no, technical impact: total).
References
Other references
Other vulnerabilities in PowerStore 500T
- 8.8 High severity
- 9.1 Critical severity
- 8.8 High severity
- 8.7 High severity
- 7.2 High severity
- 7.2 High severity
Recent Out-of-bounds Read vulnerabilities
- 8.7 High severity
- 7.5 High severity
- 8.6 High severity
- 8.8 High severity
- 7.4 High severity
- 8.3 High severity
Spotted an error? Tell us.