CVE-2020-5761
Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-5761- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 7.8 High
AV:N/AC:L/Au:N/C:N/I:N/A:C - Weakness
- CWE-835
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-5761- Weakness
- CWE-835
- Updated
- 2026-11-02
EUVDEUVD-2020-26920 No score
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.
- Record
EUVD-2020-26920- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9wp9-6795-j8rm No score
Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to CPU exhaustion due...
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.
- Record
GHSA-9wp9-6795-j8rm- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5761 is a high vulnerability (CVSS 7.5) in Grandstream Ht801 Firmware, published July 29, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.09%, the 90th percentile. No source names a fixed version.