7.5

CVE-2020-5762: grandstream ht801_firmware NULL Pointer Dereference

CVSS: 7.5v3.1HighModified
Published 29-07-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-5762 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in grandstream ht801_firmware. EPSS estimates a 3.36% chance of exploitation in the next 30 days, higher than 88.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
41/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
3.36%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 29-07-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

Grandstream HT800 series firmware version 1.0.17.5 and below is vulnerable to a denial of service attack against the TR-069 service. An unauthenticated remote attacker can stop the service due to a NULL pointer dereference in the TR-069 service. This condition is triggered due to mishandling of the HTTP Authentication field.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.36%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

0.00 pp

From 3.36% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (tenable.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Grandstream6 products

1 vendor · 6 products

References

2 links