CVE-2023-35136

Description

An improper input validation vulnerability in the “Quagga” package of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to access configuration files on an affected device.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory zyxel.com
Affected: Zyxel ATP series firmware
Affected: Zyxel USG FLEX series firmware
Affected: Zyxel USG FLEX 50(W) series firmware
Affected: Zyxel USG20(W)-VPN series firmware
Affected: Zyxel VPN series firmware
Published at:
Updated at:

References

Link Tags
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-35136?
CVE-2023-35136 has been scored as a medium severity vulnerability.
How to fix CVE-2023-35136?
To fix CVE-2023-35136, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-35136 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-35136 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-35136?
CVE-2023-35136 affects Zyxel ATP series firmware, Zyxel USG FLEX series firmware, Zyxel USG FLEX 50(W) series firmware, Zyxel USG20(W)-VPN series firmware, Zyxel VPN series firmware.
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