CVE-2020-5761

highpriority · track · 31EPSS 0.041 · 91 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

4.09% (91st) EPSS

CVSS 7.8 · high

Is it mine?

7 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.8

v2.07.8highAV:N/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 10 · impact 6.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-835USprimary

affected products (7)

Products and version ranges known to be affected.

n/a Grandstream HT800 Series≤ Versions 1.0.17.5 and belowenisa_euvdEU
grandstream ht801 firmware≤ 1.0.17.5nvdUScpe:2.3:o:grandstream:ht801_firmware:*:*:*:*:*:*:*:*
grandstream ht802 firmware≤ 1.0.17.5nvdUScpe:2.3:o:grandstream:ht802_firmware:*:*:*:*:*:*:*:*
grandstream ht812 firmware≤ 1.0.17.5nvdUScpe:2.3:o:grandstream:ht812_firmware:*:*:*:*:*:*:*:*
grandstream ht813 firmware≤ 1.0.17.5nvdUScpe:2.3:o:grandstream:ht813_firmware:*:*:*:*:*:*:*:*
grandstream ht814 firmware≤ 1.0.17.5nvdUScpe:2.3:o:grandstream:ht814_firmware:*:*:*:*:*:*:*:*
grandstream ht818 firmware≤ 1.0.17.5nvdUScpe:2.3:o:grandstream:ht818_firmware:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-07-29modified 2026-06-17

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references (8)

External citations — patches, advisories, analysis.

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