CVE-2020-5762 Null dereference in Grandstream HT800 Series
Unauthenticated remote attackers can cause a denial of service in Grandstream HT800 devices by triggering a null pointer dereference in the TR-069 service.
- 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-2020-5762?
CVE-2020-5762 is a high-severity vulnerability in Grandstream HT800 Series, published on 29 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to a denial of service attack against the TR-069 service. An unauthenticated remote attacker can stop the service due to a NULL pointer dereference in the TR-069 service. This condition is triggered due to mishandling of the HTTP Authentication field.
Weakness: CWE-476
Which versions are affected by CVE-2020-5762?
It affects 6 products.
Products include Grandstream Ht801 Firmware, Grandstream Ht802 Firmware, Grandstream Ht812 Firmware, Grandstream Ht813 Firmware, Grandstream Ht814 Firmware, Grandstream Ht818 Firmware.
How do I fix CVE-2020-5762?
No fix has been published for CVE-2020-5762 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-5762 being exploited?
There is no known exploitation of CVE-2020-5762 in the wild and no public exploit code.
Other vulnerabilities in Grandstream HT800 Series
Sources
Also known as GHSA-gqxx-7rgw-867q.