CVE-2023-22914

highpriority · track · 29EPSS 0.010 · 64 %ileDEEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.03% (64th) EPSS

CVSS 7.2 · high

Is it mine?

15 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

7.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.6–7.2

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.9

v3.17.2highAV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.2highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · security@zyxel.com.twexploitability 1.2 · impact 5.9

v3.16.6mediumCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USprimaryCWE-22US

affected products (15)

Products and version ranges known to be affected.

Zyxel USG FLEX series firmware≤ 4.50 through 5.35enisa_euvdEU
Zyxel VPN series Firmware≤ 4.30 through 5.35enisa_euvdEU
Zyxel Communications Corp. USG FLEX4.50 → 5.35fstec_bduRU
Zyxel Communications Corp. VPN4.30 → 5.35fstec_bduRU
zyxel usg flex 100 firmware4.50 → 5.35nvdUScpe:2.3:o:zyxel:usg_flex_100_firmware:*:*:*:*:*:*:*:*
zyxel usg flex 100w firmware4.50 → 5.35nvdUScpe:2.3:o:zyxel:usg_flex_100w_firmware:*:*:*:*:*:*:*:*
zyxel usg flex 200 firmware4.50 → 5.35nvdUScpe:2.3:o:zyxel:usg_flex_200_firmware:*:*:*:*:*:*:*:*
zyxel usg flex 50 firmware4.50 → 5.35nvdUScpe:2.3:o:zyxel:usg_flex_50_firmware:*:*:*:*:*:*:*:*
zyxel usg flex 500 firmware4.50 → 5.35nvdUScpe:2.3:o:zyxel:usg_flex_500_firmware:*:*:*:*:*:*:*:*
zyxel usg flex 50w firmware4.50 → 5.35nvdUScpe:2.3:o:zyxel:usg_flex_50w_firmware:*:*:*:*:*:*:*:*
zyxel usg flex 700 firmware4.50 → 5.35nvdUScpe:2.3:o:zyxel:usg_flex_700_firmware:*:*:*:*:*:*:*:*
zyxel vpn100 firmware4.50 → 5.35nvdUScpe:2.3:o:zyxel:vpn100_firmware:*:*:*:*:*:*:*:*
zyxel vpn1000 firmware4.50 → 5.35nvdUScpe:2.3:o:zyxel:vpn1000_firmware:*:*:*:*:*:*:*:*
zyxel vpn300 firmware4.50 → 5.35nvdUScpe:2.3:o:zyxel:vpn300_firmware:*:*:*:*:*:*:*:*
zyxel vpn50 firmware4.50 → 5.35nvdUScpe:2.3:o:zyxel:vpn50_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1070Zyxel Firewalls: Mehrere SchwachstellenDeutsch2023-04-24csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Zyxel Firewall ausnutzen, um beliebigen Programmcode auszuführen, Informationen offenzulegen, einen Denial of Service zu verursachen, einen Cross Site Scripting Angriff durchzuführen oder die Konfiguration zu manipulieren.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd cert_bund NVD CVE.org MITRE

published 2023-04-24modified 2026-06-17

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+12520 more

references (4)

External citations — patches, advisories, analysis.

scry

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