Backdoor Vulnerability in Zyxel Network Products
CVE-2020-13364

6.5MEDIUM

Key Information:

Vendor

Zyxel
Status
Nas326 Firmware
Vendor
CVE Published:
6 August 2020

What is CVE-2020-13364?

A backdoor vulnerability has been identified in specific Zyxel network products, which allows unauthorized remote access through TELNET by exploiting a CGI script. This poses a significant security risk as attackers could gain control of affected devices. The following product versions are impacted: NAS520, NAS542, NSA325, NSA310, NAS326, NSA310S, NSA320S, NSA221, and NAS540. Users of these devices are urged to secure their systems immediately by applying appropriate updates and mitigating measures.

References

https://www.zyxel.com/us/en/support/security_advisories.s...
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https://www.zyxel.com/support/Zyxel-security-advisory-for...
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CVSS V3.1

Score:
6.5
Severity:
MEDIUM
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

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CVE-2020-13364 : Backdoor Vulnerability in Zyxel Network Products