CVE-2020-5762
Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to a denial of service attack against the TR-069 service.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.36%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 3.36% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- grandstream/ht801 firmware · grandstream/ht802 firmware · grandstream/ht812 firmware · grandstream/ht814 firmware · grandstream/ht818 firmware · grandstream/ht813 firmware
- Source
- vulnreport@tenable.com
References
- https://www.tenable.com/security/research/tra-2020-43Exploit, Third Party Advisory
- https://www.tenable.com/security/research/tra-2020-47Third Party Advisory, VDB Entry
- https://www.tenable.com/security/research/tra-2020-43Exploit, Third Party Advisory
- https://www.tenable.com/security/research/tra-2020-47Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.