Buffer Overflow Vulnerability in Zyxel NR7101 Firmware
CVE-2022-43392

6.5MEDIUM

Key Information:

Vendor

Zyxel
Status
Nr7101 Firmware
Vendor
CVE Published:
11 January 2023

What is CVE-2022-43392?

A buffer overflow vulnerability exists in the web server parameter of the Zyxel NR7101 firmware, allowing authenticated attackers to exploit this flaw by sending specially crafted authorization requests. This can ultimately result in denial-of-service (DoS) conditions, impacting device availability and performance.

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Affected Version(s)

NR7101 firmware < V1.15(ACCC.3)C0

References

https://www.zyxel.com/global/en/support/security-advisori...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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