CVE-2020-5761

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.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
tenableCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 83%
VendorProductVersion
grandstreamht801_firmware
𝑥
≤ 1.0.17.5
grandstreamht802_firmware
𝑥
≤ 1.0.17.5
grandstreamht812_firmware
𝑥
≤ 1.0.17.5
grandstreamht814_firmware
𝑥
≤ 1.0.17.5
grandstreamht818_firmware
𝑥
≤ 1.0.17.5
grandstreamht813_firmware
𝑥
≤ 1.0.17.5
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.tenable.com/security/research/tra-2020-43
https://www.tenable.com/security/research/tra-2020-47
https://www.tenable.com/security/research/tra-2020-43
https://www.tenable.com/security/research/tra-2020-47