Buffer Overflow Vulnerability in Zyxel NR7101 Web Server Firmware
CVE-2022-43389

8.6HIGH

Key Information:

Vendor
Zyxel
Status
Nr7101 Firmware
Vendor
CVE Published:
11 January 2023

Summary

A buffer overflow vulnerability exists in the web server library of Zyxel NR7101 firmware prior to version V1.15(ACCC.3)C0. This security flaw can be exploited by an unauthenticated attacker, potentially allowing them to execute operating system commands or inflict denial-of-service conditions on affected devices. It is crucial for users to update their firmware to the latest version to mitigate risks associated with this vulnerability.

Affected Version(s)

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

References

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

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.