CVE-2022-30521 Memory corruption in n/a
Attackers can execute arbitrary code on D-Link DIR-890L routers by sending a specially crafted payload to the web interface due to a stack-based 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-2022-30521?
CVE-2022-30521 is a critical memory corruption vulnerability in n/a, published on 27 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The LAN-side Web-Configuration Interface has Stack-based Buffer Overflow vulnerability in the D-Link Wi-Fi router firmware DIR-890L DIR890LA1_FW107b09.bin and previous versions. The function created at 0x17958 of /htdocs/cgibin will call sprintf without checking the length of strings in parameters given by HTTP header and can be controlled by users easily. The attackers can exploit the vulnerability to carry out arbitrary code by means of sending a specially constructed payload to port 49152.
Weakness: CWE-787
Which versions are affected by CVE-2022-30521?
It affects 1 product.
Products include Dlink Dir-890l Firmware.
How do I fix CVE-2022-30521?
No fix has been published for CVE-2022-30521 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-2022-30521 being exploited?
There is no known exploitation of CVE-2022-30521 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-37gv-mrx7-gfqg.