PT-2020-18682 · Grandstream · Grandstream Ht800

Published 2020-07-29 · Updated 2020-07-31 · CVE-2020-5761

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Grandstream HT800 series firmware version 1.0.17.5 and below

Description The issue is related to CPU exhaustion due to an infinite loop in the TR-069 service. Unauthenticated remote attackers can trigger this by sending a one character TCP message to the TR-069 service.

Recommendations For Grandstream HT800 series firmware version 1.0.17.5 and below, consider disabling the TR-069 service until a patch is available to prevent CPU exhaustion attacks.

Exploit

Fix

Infinite Loop

Weakness Enumeration

CWE-835

Related Identifiers

CVE-2020-5761

Affected Products

Grandstream Ht800

References · 4

• 🔥 https://tenable.com/security/research/tra-2020-43 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-5761 · Security Note
• https://osv.dev/vulnerability/CVE-2020-5761 · Vendor Advisory
• https://tenable.com/security/research/tra-2020-47 · Note