CVE-2022-28556 Memory corruption in n/a
A stack-based buffer overflow in the Tenda AC15 router allows remote attackers to execute arbitrary code via crafted POST requests to the PPTP server configuration 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-2022-28556?
CVE-2022-28556 is a high-severity memory corruption vulnerability in Tenda Ac15 Firmware, published on 4 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tenda AC15 US_AC15V1.0BR_V15.03.05.20_multi_TDE01.bin is vulnerable to Buffer Overflow. The stack overflow vulnerability lies in the /goform/setpptpservercfg interface of the web. The sent post data startip and endip are copied to the stack using the sanf function, resulting in stack overflow. Similarly, this vulnerability can be used together with CVE-2021-44971
Weakness: CWE-787
Which versions are affected by CVE-2022-28556?
It affects 1 product.
Products include Tenda Ac15 Firmware.
How do I fix CVE-2022-28556?
No fix has been published for CVE-2022-28556 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-2022-28556 being exploited?
There is no known exploitation of CVE-2022-28556 in the wild and no public exploit code.
Other vulnerabilities in Tenda Ac15 Firmware
Sources
Also known as GHSA-942j-wgv7-6vhf.