CVE-2020-6873 Denial of service in <ZXR10 2800-4 ALMPUFB(LOW)>
Remote attackers can cause denial of service on ZTE ZXR10 switches by sending malicious packets, rendering the management interface inaccessible.
- 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-2020-6873?
CVE-2020-6873 is a medium-severity denial of service vulnerability in <ZXR10 2800-4_ALMPUFB(LOW)>, published on 1 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A ZTE product has a DoS vulnerability. Because the equipment couldn’t distinguish the attack packets and normal packets with valid http links, the remote attackers could use this vulnerability to cause the equipment WEB/TELNET module denial of service and make the equipment be out of management. This affects: ZXR10 2800-4_ALMPUFB(LOW), all versions up to V3.00.40.
Which versions are affected by CVE-2020-6873?
It affects 1 product.
Products include Zte Zxr10 2800-4 Almpufb\(low\) Firmware.
How do I fix CVE-2020-6873?
No fix has been published for CVE-2020-6873 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-2020-6873 being exploited?
There is no known exploitation of CVE-2020-6873 in the wild and no public exploit code.
Sources
Also known as GHSA-r597-j6c4-p5w2.