CVE-2020-5762

Name: CVE-2020-5762
Creator: NVD / NIST
Published: 2020-07-29T19:15:15.123+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.36%

Last modified Jun 17, 2026

CVE-2020-5762 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 3.36% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

3.36%

87.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Grandstream	Ht801 Firmware	<= 1.0.17.5
Grandstream	Ht802 Firmware	<= 1.0.17.5
Grandstream	Ht812 Firmware	<= 1.0.17.5
Grandstream	Ht814 Firmware	<= 1.0.17.5
Grandstream	Ht818 Firmware	<= 1.0.17.5
Grandstream	Ht813 Firmware	<= 1.0.17.5

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

Timeline

Published: Jul 29, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-5762?

How severe is CVE-2020-5762?

CVE-2020-5762 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.36% probability of exploitation in the next 30 days.

How do I fix CVE-2020-5762?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-5762?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST