CVE-2021-44864 Denial of service in n/a
Authenticated attackers can crash the router's HTTP service by sending a malformed request with redundant parameters, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-44864?
CVE-2021-44864 is a medium-severity denial of service vulnerability in n/a, published on 8 Feb 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
TP-Link WR886N 3.0 1.0.1 Build 150127 Rel.34123n is vulnerable to Buffer Overflow. Authenticated attackers can crash router httpd services via /userRpm/PingIframeRpm.htm request which contains redundant & in parameter.
Weakness: CWE-120
Which versions are affected by CVE-2021-44864?
It affects 1 product.
Products include Tp-Link Wn886n Firmware.
How do I fix CVE-2021-44864?
No fix has been published for CVE-2021-44864 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-44864 being exploited?
There is no known exploitation of CVE-2021-44864 in the wild and no public exploit code.
Sources
Also known as GHSA-vh8f-325p-cw9v.