CVE-2020-25014 Memory corruption in n/a
Remote unauthenticated attackers can execute arbitrary code on Zyxel UTM and VPN gateways via a stack-based buffer overflow in the web interface.
- 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-2020-25014?
CVE-2020-25014 is a critical memory corruption vulnerability in n/a, published on 27 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A stack-based buffer overflow in fbwifi_continue.cgi on Zyxel UTM and VPN series of gateways running firmware version V4.30 through to V4.55 allows remote unauthenticated attackers to execute arbitrary code via a crafted http packet.
Weakness: CWE-787
Which versions are affected by CVE-2020-25014?
It affects 2 products.
Products include Zyxel Access Points Firmware, Zyxel Zld.
How do I fix CVE-2020-25014?
No fix has been published for CVE-2020-25014 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-2020-25014 being exploited?
There is no known exploitation of CVE-2020-25014 in the wild and no public exploit code.
Sources
Also known as GHSA-f57w-r4hj-rw7w.