CVE-2020-6866 Denial of service in ZXCTN 6500
An attacker can cause a denial of service on ZTE ZXCTN 6500 network devices by issuing a specific command due to a resource management error.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-6866?
CVE-2020-6866 is a medium-severity denial of service vulnerability in ZXCTN 6500, published on 30 Apr 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A ZTE product is impacted by a resource management error vulnerability. An attacker could exploit this vulnerability to cause a denial of service by issuing a specific command. This affects: ZXCTN 6500 version V2.10.00R3B87.
Which versions are affected by CVE-2020-6866?
It affects 1 product.
Products include Zte Zxctn 6500 Firmware.
How do I fix CVE-2020-6866?
No fix has been published for CVE-2020-6866 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-2020-6866 being exploited?
There is no known exploitation of CVE-2020-6866 in the wild and no public exploit code.
Sources
Also known as GHSA-7mch-5p8p-x68j.