CVE-2021-33822

An issue was discovered on 4GEE ROUTER HH70VB Version HH70_E1_02.00_22. Attackers can use slowhttptest tool to send incomplete HTTP request, which could make server keep waiting for the packet to finish the connection, until its resource exhausted. Then the web server is denial-of-service.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/Jian-Xian/CVE-POC/blob/master/CVE-2021-33822.md	Exploit Third Party Advisory
https://www.sing4g.com/product-page/4gee-router-hh70vb-4g-300mbps-2lan-32wifi	Product Vendor Advisory
https://github.com/shekyan/slowhttptest	Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:sing4g:4gee_router_hh70vb_firmware:hh70_e1_02.00_22:*:*:*:*:*:*:*

cpe:2.3:h:sing4g:4gee_router_hh70vb:-:*:*:*:*:*:*:*

Information

Published : 2021-06-18 19:15

Updated : 2021-06-24 19:53

NVD link : CVE-2021-33822

Mitre link : CVE-2021-33822

JSON object : View

Products Affected

sing4g

4gee_router_hh70vb_firmware
4gee_router_hh70vb

CWE

CWE-400

Uncontrolled Resource Consumption

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