Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2020-5762

20
FAUCET Score

CVE-2020-5762 affects Grandstream HT800 series devices running firmware version 1.0.17.5 and below. This vulnerability allows an unauthenticated remote attacker to trigger a denial of service (DoS) in the TR-069 service due to a NULL pointer dereference caused by mishandling of the HTTP Authentication field. Rated with a CVSS score of 7.5 (HIGH), it has a low attack complexity and requires no user interaction, leading to high availability impact. There is currently no public exploit code available, nor is it listed on the KEV catalog, indicating no active exploitation. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.0.17.5CPE matchmatch criteria
cpe:2.3:o:grandstream:ht801_firmware:*:*:*:*:*:*:*:*
<= 1.0.17.5CPE matchmatch criteria
cpe:2.3:o:grandstream:ht802_firmware:*:*:*:*:*:*:*:*
<= 1.0.17.5CPE matchmatch criteria
cpe:2.3:o:grandstream:ht812_firmware:*:*:*:*:*:*:*:*
<= 1.0.17.5CPE matchmatch criteria
cpe:2.3:o:grandstream:ht814_firmware:*:*:*:*:*:*:*:*
<= 1.0.17.5CPE matchmatch criteria
cpe:2.3:o:grandstream:ht818_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.36%
Probability of exploitation in next 30 days
EPSS Percentile
87.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0336 is in the 78th percentile among its peer group of 51,485 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (7)

esetvendor investigatingvia llm_extracted
hyperledgervendor investigatingvia llm_extracted
mariadbvendor investigatingvia llm_extracted
omronvendor investigatingvia llm_extracted
openrefinevendor investigatingvia llm_extracted
pnpmvendor investigatingvia llm_extracted
twiliovendor investigatingvia llm_extracted

Vendor Advisories (7)

twiliollm-twilio-1089b4f918d2f2fcCRITICAL

Grandstream ATA HT800 Series Multiple Vulnerabilities

Jul 29, 2020
esetllm-eset-ce5b0965d4816ac8CRITICAL

Grandstream ATA HT800 Series Multiple Vulnerabilities

Jul 29, 2020
hyperledgerllm-hyperledger-5856304f57994396CRITICAL

Grandstream ATA HT800 Series Multiple Vulnerabilities

Jul 29, 2020
pnpmllm-pnpm-743b727f24030e10CRITICAL

Grandstream ATA HT800 Series Multiple Vulnerabilities

Jul 29, 2020
omronllm-omron-324f4a8c1175c213CRITICAL

Grandstream ATA HT800 Series Multiple Vulnerabilities

Jul 29, 2020
openrefinellm-openrefine-e936ecd3ebe05299CRITICAL

Grandstream ATA HT800 Series Multiple Vulnerabilities

Jul 29, 2020
mariadbllm-mariadb-1357d81b720520f3CRITICAL

Grandstream ATA HT800 Series Multiple Vulnerabilities

Jul 29, 2020

References

tenable.com / security/research/tra-2020-43
ExploitThird Party Advisory
tenable.com / security/research/tra-2020-47
Third Party AdvisoryVDB Entry