CVE-2021-45392 Memory corruption in n/a
A buffer overflow in the Tenda Router AX12 allows attackers to cause a denial of service via the prefixDelegate parameter.
- 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-2021-45392?
CVE-2021-45392 is a high-severity memory corruption vulnerability in n/a, published on 14 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Buffer Overflow vulnerability exists in Tenda Router AX12 V22.03.01.21_CN in the sub_422CE4 function in page /goform/setIPv6Status via the prefixDelegate parameter, which causes a Denial of Service.
Weakness: CWE-787
Which versions are affected by CVE-2021-45392?
It affects 1 product.
Products include Tenda Ax12 Firmware.
How do I fix CVE-2021-45392?
No fix has been published for CVE-2021-45392 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-2021-45392 being exploited?
There is no known exploitation of CVE-2021-45392 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-5r8w-456g-rjc8.