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CVE-2020-5761

nvd nist
Published: Jul 29, 2020Modified: Jun 17, 2026

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7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due to an infinite loop in the TR-069 service. Unauthenticated remote attackers can trigger this case by sending a one character TCP message to the TR-069 service.

Affected (6)

Grandstream
6 products
Ht801 Firmware
Ht802 Firmware
Ht812 Firmware
Ht814 Firmware
Ht818 Firmware
Ht813 Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Ht801 Firmware
Up to 1.0.17.5
Running on/withPlatform Versions
Grandstream
Ht801
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Ht802 Firmware
Up to 1.0.17.5
Running on/withPlatform Versions
Grandstream
Ht802
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Ht812 Firmware
Up to 1.0.17.5
Running on/withPlatform Versions
Grandstream
Ht812
All versions
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Ht814 Firmware
Up to 1.0.17.5
Running on/withPlatform Versions
Grandstream
Ht814
All versions
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Ht818 Firmware
Up to 1.0.17.5
Running on/withPlatform Versions
Grandstream
Ht818
All versions
Configuration F
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Ht813 Firmware
Up to 1.0.17.5
Running on/withPlatform Versions
Grandstream
Ht813
All versions

Related CWEs

CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

References (4)

Source: vulnreport@tenable.com
ExploitThird Party Advisory
Source: vulnreport@tenable.com
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry

Timeline

No history available yet.