CVE-2021-43662 Denial of service in n/a
Attackers can cause uncontrolled resource consumption in TOTOLINK routers, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-43662?
CVE-2021-43662 is a medium-severity denial of service vulnerability in n/a, published on 30 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
totolink EX300_v2, ver V4.0.3c.140_B20210429 and A720R ,ver V4.1.5cu.470_B20200911 have an issue which causes uncontrolled resource consumption.
Weakness: CWE-770
Which versions are affected by CVE-2021-43662?
It affects 2 products.
Products include Totolink A720r Firmware, Totolink Ex300 V2 Firmware.
How do I fix CVE-2021-43662?
No fix has been published for CVE-2021-43662 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-2021-43662 being exploited?
There is no known exploitation of CVE-2021-43662 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-mj9h-gc79-chg3.