Stack Overflow Vulnerability in H3C Magic R300 Router
CVE-2023-33633

7.2HIGH

Key Information:

Vendor

H3c
Status
Magic R300-2100m Firmware
Vendor
CVE Published:
31 May 2023

What is CVE-2023-33633?

The H3C Magic R300 router version R300-2100MV100R004 is susceptible to a stack overflow vulnerability through the UpdateWanParams interface. This issue allows an attacker to exploit the router by inputting large amounts of data into the /goform/aspForm endpoint, potentially leading to unauthorized access or service disruption.

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References

https://hackmd.io/%400dayResearch/UpdateWanParams

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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