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CVE-2023-6398

HIGH
Published 2024-02-20T01:34:32.229Z
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CVSS Score

V3.1
7.2
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.006
probability
of exploitation in the wild

There is a 0.6% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.692
Higher than 69.2% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Description

A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1,

USG FLEX H series firmware versions from 1.10 through 1.10 Patch 1,

NWA50AX firmware versions through 6.29(ABYW.3), WAC500 firmware versions through 6.65(ABVS.1), WAX300H firmware versions through 6.60(ACHF.1), and WBE660S firmware versions through 6.65(ACGG.1) could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device via FTP.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Zyxel

ATP series firmware

Affected Versions:

version 4.32 through 5.37 Patch 1
Zyxel

USG FLEX series firmware

Affected Versions:

version 4.50 through 5.37 Patch 1
Zyxel

USG FLEX 50(W) series firmware

Affected Versions:

version 4.16 through 5.37 Patch 1
Zyxel

USG20(W)-VPN series firmware

Affected Versions:

version 4.16 through 5.37 Patch 1
Zyxel

NWA50AX firmware

Affected Versions:

< 6.29(ABYW.4)
Zyxel

WAC500 firmware

Affected Versions:

< 6.70(ABVS.1)
Zyxel

WAX300H firmware

Affected Versions:

< 6.70(ACHF.1)
Zyxel

WBE660S firmware

Affected Versions:

< 6.70(ACGG.1)
Zyxel

USG FLEX H series firmware

Affected Versions:

version 1.10 through 1.10 Patch 1
zyxel

atp800_firmware

Affected Versions:

4.32
zyxel

usg_flex_700_firmware

Affected Versions:

4.50
zyxel

nwa50ax_firmware

Affected Versions:

0
zyxel

wac500_firmware

Affected Versions:

0
zyxel

wax300h_firmware

Affected Versions:

0
zyxel

wbe660s_firmware

Affected Versions:

0
zyxel

usg_20w-vpn_firmware

Affected Versions:

4.16

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-p6jh-65c7-8r26

Advisory Details

A post-authentication command injection vulnerability in the file upload binary in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1, NWA50AX firmware versions through 6.29(ABYW.3), WAC500 firmware versions through 6.65(ABVS.1), WAX300H firmware versions through 6.60(ACHF.1), and WBE660S firmware versions through 6.65(ACGG.1) could allow an authenticated attacker with administrator privileges to execute some operating system (OS) commands on an affected device via FTP.

CVSS Scoring

CVSS Score

7.5

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-6398
WEB https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024

Advisory provided by GitHub Security Advisory Database. Published: February 20, 2024, Modified: February 20, 2024

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024
Published: 2024-02-20T01:34:32.229Z
Last Modified: 2024-08-25T15:46:49.897Z
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