CVE-2023-39807

CRITICAL 9.8CVE-2023-39807 · Published 21/08/2023 · updated 09/07/2026

In short

CVE-2023-39807 is a CRITICAL (CVSS 9.8) vulnerability affecting intelligent broadband subscriber gateway (nvki).
Chance of exploitation in the next 30 days (EPSS): 0.62%, higher than 49.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
intelligent broadband subscriber gateway nvki	`= 3.5`	No fix yet

Description

N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain a SQL injection vulnerability via the a_passwd parameter at /portal/user-register.php.

References

github.com/maride
sec.maride.cc/posts/ibsg

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