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

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-05 · updated 2026-10-26
Weakness: CWE-119

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.

Affected products

EFM ipTIME NAS1dual: 1.5.24

References

https://github.com/glkfc/IoT-Vulnerability/blob/main/iptime/nas1dual/iptime2_en.md
https://vuldb.com/submit/807787
https://vuldb.com/vuln/361113
https://vuldb.com/vuln/361113/cti

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