CVE-2023-39807 SQL injection in n/a

Critical 9.8 Published 21 Aug 2023 Updated 9 Jul 2026

An attacker can exploit a SQL injection vulnerability in the user registration portal to read or modify database contents.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-39807?

CVE-2023-39807 is a critical SQL injection vulnerability in n/a, published on 21 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-89

Which versions are affected by CVE-2023-39807?

It affects 1 product.

Products include Nvki Intelligent Broadband Subscriber Gateway.

How do I fix CVE-2023-39807?

No fix has been published for CVE-2023-39807 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2023-39807 being exploited?

There is no known exploitation of CVE-2023-39807 in the wild and no public exploit code.

Sources

Also known as GHSA-jv2j-mm55-5fw8.