CVE-2023-43314 Memory corruption in PMG2005-T20B
An unauthenticated attacker can cause a denial of service on Zyxel PMG2005-T20B devices via a crafted uid due to a buffer overflow.
- 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-2023-43314?
CVE-2023-43314 is a high-severity memory corruption vulnerability in Zyxel PMG2005-T20B, published on 27 Sep 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
** UNSUPPORTED WHEN ASSIGNED **The buffer overflow vulnerability in the Zyxel PMG2005-T20B firmware version V1.00(ABNK.2)b11_C0 could allow an unauthenticated attacker to cause a denial of service condition via a crafted uid.
Weakness: CWE-120
Which versions are affected by CVE-2023-43314?
It affects 1 product.
Products include Zyxel Pmg2005-T20b Firmware.
How do I fix CVE-2023-43314?
No fix has been published for CVE-2023-43314 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-2023-43314 being exploited?
There is no known exploitation of CVE-2023-43314 in the wild and no public exploit code.
Sources
Also known as GHSA-86c6-5vcx-3893.