CVE-2023-45742 Integer overflow in WBR-6013

High 7.2 Published 8 Jul 2024 Updated 4 Nov 2025

An integer overflow in the Realtek RTL819x Jungle SDK allows remote attackers to execute arbitrary code via crafted HTTP requests.

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

What is CVE-2023-45742?

CVE-2023-45742 is a high-severity vulnerability in LevelOne WBR-6013, published on 8 Jul 2024. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

An integer overflow vulnerability exists in the boa updateConfigIntoFlash functionality of Realtek rtl819x Jungle SDK v3.4.11. A specially crafted series of HTTP requests can lead to arbitrary code execution. An attacker can send a sequence of requests to trigger this vulnerability.

Weakness: CWE-190

Which versions are affected by CVE-2023-45742?

It affects 2 products.

Products include Level1 Wbr-6013 Firmware, Realtek Rtl819x Jungle Software Development Kit.

How do I fix CVE-2023-45742?

No fix has been published for CVE-2023-45742 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-45742 being exploited?

There is no known exploitation of CVE-2023-45742 in the wild and no public exploit code.

Sources

Also known as GHSA-fpvc-fj96-p4xw.