Critical severity · published May 5, 2026
CVE-2026-7834
EFM ipTIME NAS1dual misc_main.cgi get_csrf_whites stack-based overflow
9.8
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
ipTIME NAS1dual · EFM
1.5.24 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-7834
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-7834
github.com
https://github.com/glkfc/IoT-Vulnerability/blob/main/iptime/nas1dual/iptime2_en.md
vuldb.com
https://vuldb.com/submit/807787
vuldb.com
https://vuldb.com/vuln/361113
vuldb.com
https://vuldb.com/vuln/361113/cti