PowerStore 500T: Integer Overflow or Wraparound
CVE-2026-107523 is a high-severity integer overflow or wraparound vulnerability in PowerStore 500T from Dell, with a CVSS 3.1 base score of 8.7 out of 10. It can be exploited from the same local network by an attacker with a low-privileged account, 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 0.32% 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.
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
- AdjacentThe attacker must be on the same local network segment.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- ChangedThe attack can reach beyond the vulnerable component into other systems.
- Confidentiality
- NoneNo data is disclosed.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H. Scored by CNA (emc.com).
Official description
Dell PowerStore contains an integer overflow vulnerability. An adjacent attacker could exploit it to bypass volume bounds checks, potentially leading to data destruction or denial of service.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Integer Overflow or Wraparound
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
How developers prevent this class of flaw
- Ensure that all protocols are strictly defined, such that all out-of-bounds behavior can be identified simply, and require strict conformance to the protocol.
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid. If possible, choose a language or compiler that performs automatic bounds checking.
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid. Use libraries or frameworks that make it easier to handle numbers without unexpected consequences. Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++).
More Integer Overflow or Wraparound vulnerabilities (CWE-190)
Timeline
- CVE record published.
References
Other references
Other vulnerabilities in PowerStore 500T
- 8.8 High severity
- 9.1 Critical severity
- 8.1 High severity
- 8.8 High severity
- 7.2 High severity
- 7.2 High severity
Recent Integer Overflow or Wraparound vulnerabilities
- 8.5 High severity
- 8.8 High severity
- 8.8 High severity
- 8.8 High severity
- 8.8 High severity
- 7.5 High severity
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