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No exploitation reported

CVE-2023-22914

No exploitation reported by the sources we read.

  • Published2023-04-24
  • WeaknessCWE-22

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A path traversal vulnerability in the “account_print.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote authenticated attacker with administrator privileges to execute unauthorized OS commands in the “tmp” directory by uploading a crafted file if the hotspot function were enabled.

Timeline

dates in UTC
  1. 2023-04-2417:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2023-22914?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2023-22914?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Zyxel usg flex 100 firmwareversion to verify
BranchAffectedFixed in
5.35≥ 4.50, ≤ 5.35no fix published
Zyxel usg flex 100w firmwareversion to verify
BranchAffectedFixed in
5.35≥ 4.50, ≤ 5.35no fix published
Zyxel usg flex 200 firmwareversion to verify
BranchAffectedFixed in
5.35≥ 4.50, ≤ 5.35no fix published

8 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub

Sources

  • CISA-ADPSSVC decisionnone2025-02-04
  • OpenCVESSVC decisionnone—
  • CNACVSS 3.17.2read 2026-10-23
  • NVDCVSS 3.17.2read 2026-10-23
  • CNAweakness (CWE)CWE-22read 2026-10-23
  • NVDweakness (CWE)CWE-22read 2026-10-23
  • FIRST EPSSEPSS score1.0 %2026-10-22

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2023-04-24
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2023-22914?

A path traversal vulnerability in the “account_print.cgi” CGI program of Zyxel USG FLEX series firmware versions 4.50 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow a remote authenticated attacker with administrator privileges to execute unauthorized OS commands in the “tmp” directory by uploading a crafted file if the hotspot function were enabled.

Is CVE-2023-22914 actively exploited?

Active exploitation of CVE-2023-22914 has not been confirmed. Its EPSS score was 1.0% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-22914?

CVE-2023-22914 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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