CVE-2023-22918 - CVE House
Back to Database
Status published Medium CVE-2023-22918

A post-authentication information exposure vulnerability in the CGI program of...

Vulnerability Description

A post-authentication information exposure vulnerability in the CGI program of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, VPN series firmware versions 4.30 through 5.35, NWA110AX firmware version 6.50(ABTG.2) and earlier versions, WAC500 firmware version 6.50(ABVS.0) and earlier versions, and WAX510D firmware version 6.50(ABTF.2) and earlier versions, which could allow a remote authenticated attacker to retrieve encrypted information of the administrator on an affected device.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-22918

Credits & Attribution

No credits recorded in the NVD database.

References

More from Zyxel

View All →
CVE-2025-9133
A missing authorization vulnerability in Zyxel ATP series firmware versions...
High 8.1
CVE-2025-8693
A post-authentication command injection vulnerability in the "priv" parameter of...
High 8.8
CVE-2025-8078
A post-authentication command injection vulnerability in Zyxel ATP series firmware...
High 7.2
CVE-2025-7673
A buffer overflow vulnerability in the URL parser of the...
Critical 9.8
CVE-2025-6599
An uncontrolled resource consumption vulnerability in the web server of...
Medium 5.3

Affected Vendor

Affected Software

ATP series firmware, USG FLEX series firmware, USG FLEX 50(W) firmware, USG20(W)-VPN firmware, VPN series firmware, NWA110AX firmware, WAC500 firmware, WAX510D firmware
Vulnerable Versions:
4.32 through 5.35, 4.50 through 5.35, 4.16 through 5.35, 4.30 through 5.35, <= 6.50(ABTG.2), <= 6.50(ABVS.0), <= 6.50(ABTF.2)

Timeline

Official Publish: April 24th, 2023
Last Modified: February 12th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)

CWE-359

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.