Improper Input Validation Vulnerabilities in Zyxel Firewall Products
CVE-2022-26531
6.1MEDIUM
Key Information:
- Vendor
Zyxel
- Vendor
- CVE Published:
- 24 May 2022
What is CVE-2022-26531?
Multiple improper input validation flaws in Zyxel's CLI commands for various firewall and network security products could allow authenticated local attackers to execute malicious payloads. Exploitation may lead to severe consequences such as buffer overflow, potentially resulting in a system crash, which compromises the integrity and availability of the affected systems. The vulnerability spans across several firmware versions, necessitating immediate attention from users and administrators to mitigate risks.
Affected Version(s)
ATP series firmware 4.32 through 5.21
NAP203 firmware <= 6.25(ABFA.7)
NSG series firmware 1.00 through 1.33 Patch 4