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CVE-2026-7834— EFM ipTIME NAS1dual misc_main.cgi get_csrf_whites stack-based overflow

Quick assessment

Affected
EFM ipTIME NAS1dual
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.

EFM ipTIME NAS1dual是韩国EFM公司的一款网络附加存储设备。 EFM ipTIME NAS1dual 1.5.24版本存在缓冲区错误漏洞，该漏洞源于文件/cgi/advanced/misc_main.cgi中函数get_csrf_whites的问题，可能导致栈缓冲区溢出。

CVSS 9.8 · Critical EPSS 0.63% · P48

Affected Version Matrix 1

VendorProduct Version RangeStatus
EFM ipTIME NAS1dual 1.5.24 affected
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I. Basic Information for CVE-2026-7834

Vulnerability Information
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Vulnerability Title
EFM ipTIME NAS1dual misc_main.cgi get_csrf_whites stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in EFM ipTIME NAS1dual 1.5.24. This issue affects the function get_csrf_whites of the file /cgi/advanced/misc_main.cgi. Such manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
EFM ipTIME NAS1dual 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EFM ipTIME NAS1dual是韩国EFM公司的一款网络附加存储设备。 EFM ipTIME NAS1dual 1.5.24版本存在缓冲区错误漏洞，该漏洞源于文件/cgi/advanced/misc_main.cgi中函数get_csrf_whites的问题，可能导致栈缓冲区溢出。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
EFM ipTIME NAS1dual 1.5.24 -

II. Public POCs for CVE-2026-7834

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III. Intelligence Information for CVE-2026-7834

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Security Blog Posts for CVE-2026-7834 (1)

IV. Related Vulnerabilities

Same vendor: EFM
Same weakness: CWE-121

V. Comments for CVE-2026-7834

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