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CVE-2026-67271

Quick assessment

Affected
Dell PowerStore 500T
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Dell PowerStore是美国Dell公司的一款企业级网络存储系统。 Dell PowerStore 5.0.0.2-2761110之前版本存在缓冲区错误漏洞，该漏洞源于SMB/CIFS组件存在越界写入，可能导致未经身份验证的远程攻击者利用该漏洞，造成拒绝服务和远程代码执行。

CVSS 9.8 · Critical EPSS 0.46% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 12

VendorProduct Version RangeStatus
Dell PowerStore 1000T < 5.0.0.2-2761110 or later affected
Dell PowerStore 1200T < 5.0.0.2-2761110 or later affected
Dell PowerStore 3000T < 5.0.0.2-2761110 or later affected
Dell PowerStore 3200Q < 5.0.0.2-2761110 or later affected
Dell PowerStore 3200T < 5.0.0.2-2761110 or later affected
Dell PowerStore 5000T < 5.0.0.2-2761110 or later affected
Dell PowerStore 500T < 5.0.0.2-2761110 or later affected
Dell PowerStore 5200Q < 5.0.0.2-2761110 or later affected
Dell PowerStore 5200T < 5.0.0.2-2761110 or later affected
Dell PowerStore 7000T < 5.0.0.2-2761110 or later affected
Dell PowerStore 9000T < 5.0.0.2-2761110 or later affected
Dell PowerStore 9200T < 5.0.0.2-2761110 or later affected
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I. Basic Information for CVE-2026-67271

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
Source: CVE Program / CVE List V5
Vulnerability Title
Dell PowerStore 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Dell PowerStore是美国Dell公司的一款企业级网络存储系统。 Dell PowerStore 5.0.0.2-2761110之前版本存在缓冲区错误漏洞，该漏洞源于SMB/CIFS组件存在越界写入，可能导致未经身份验证的远程攻击者利用该漏洞，造成拒绝服务和远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Dell PowerStore 500T 0 ~ 5.0.0.2-2761110 or later -
Dell PowerStore 1000T 0 ~ 5.0.0.2-2761110 or later -
Dell PowerStore 1200T 0 ~ 5.0.0.2-2761110 or later -
Dell PowerStore 3000T 0 ~ 5.0.0.2-2761110 or later -
Dell PowerStore 3200Q 0 ~ 5.0.0.2-2761110 or later -
Dell PowerStore 3200T 0 ~ 5.0.0.2-2761110 or later -
Dell PowerStore 5000T 0 ~ 5.0.0.2-2761110 or later -
Dell PowerStore 5200Q 0 ~ 5.0.0.2-2761110 or later -
Dell PowerStore 5200T 0 ~ 5.0.0.2-2761110 or later -
Dell PowerStore 7000T 0 ~ 5.0.0.2-2761110 or later -
Dell PowerStore 9000T 0 ~ 5.0.0.2-2761110 or later -
Dell PowerStore 9200T 0 ~ 5.0.0.2-2761110 or later -

II. Public POCs for CVE-2026-67271

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III. Intelligence Information for CVE-2026-67271

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Vendor Advisories for CVE-2026-67271 (1)

Same Patch Batch · Dell · 2026-08-18 · 7 CVEs total

CVE-2026-61407 8.8 HIGH Dell Watchdog Timer Driver 处理逻辑错误漏洞
CVE-2026-70415 8.1 HIGH Dell PowerStore 缓冲区错误漏洞
CVE-2026-67262 8.1 HIGH Dell PowerStore 授权问题漏洞
CVE-2026-32657 7.3 HIGH Dell AppSync 后置链接漏洞
CVE-2026-59915 7.3 HIGH Dell Alienware Command Center 权限许可和访问控制问题漏洞
CVE-2026-49500 6.0 MEDIUM Dell Alienware Command Center 权限许可和访问控制问题漏洞

IV. Related Vulnerabilities

Same product: PowerStore 500T
Same vendor: Dell
Same weakness: CWE-787

V. Comments for CVE-2026-67271

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