CVE-2023-22924 Memory corruption in NBG-418N v2 firmware
Remote authenticated administrators can cause denial-of-service on Zyxel NBG-418N v2 routers via crafted CLI commands exploiting a buffer overflow.
- 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-2023-22924?
CVE-2023-22924 is a medium-severity memory corruption vulnerability in Zyxel NBG-418N v2 firmware, published on 1 May 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote authenticated attacker with administrator privileges to cause denial-of-service (DoS) conditions by executing crafted CLI commands on a vulnerable device.
Weakness: CWE-120
Which versions are affected by CVE-2023-22924?
It affects 1 product.
Products include Zyxel Nbg-418n Firmware.
How do I fix CVE-2023-22924?
No fix has been published for CVE-2023-22924 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2023-22924 being exploited?
There is no known exploitation of CVE-2023-22924 in the wild and no public exploit code.
Other vulnerabilities in Zyxel NBG-418N v2 firmware
Sources
Also known as GHSA-h4h8-xpg4-95fv.