Buffer overflow in Dell Powerstore 1000t
CVE-2026-67271
Dell PowerStore SDNAS, contains an Out-of-bounds Write vulnerability in the SMB/CIFS. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Denial of service and Remote execution. This is a Critical vulnerability as a remote user could send a specially crafted SMB packet and cause a crash, that is persistent in case automatic restarts are enabled. Additionally, a more sophisticated attacker could use the same vulnerability for Remote Code execution.
Vulnerability class: Buffer Overflow
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- security_alert@emc.com (vendor-advisory)
Frequently asked questions
- What is CVE-2026-67271?
- CVE-2026-67271 is a critical-severity vulnerability in Dell Powerstore 1000t, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2026-08-18.
- How severe is CVE-2026-67271?
- Critical severity. CVSS v3 base score is 9.8 out of 10.