High severity · published Feb 20, 2024
CVE-2023-6398
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…
7.2
CVSS
1.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 71% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AF
Atp100 Firmware · Zyxel
4.32 before 5.37; 5.37; 5.37 · source: NVD
AF
Atp100w Firmware · Zyxel
4.32 before 5.37; 5.37; 5.37 · source: NVD
AF
Atp200 Firmware · Zyxel
4.32 before 5.37; 5.37; 5.37 · source: NVD
AF
Atp500 Firmware · Zyxel
4.32 before 5.37; 5.37; 5.37 · source: NVD
AF
Atp700 Firmware · Zyxel
4.32 before 5.37; 5.37; 5.37 · source: NVD
AF
Atp800 Firmware · Zyxel
4.32 before 5.37; 5.37; 5.37 · source: NVD
NF
Nwa110ax Firmware · Zyxel
before 6.70\(abtg.2\) · source: NVD
NF
Nwa1123acv3 Firmware · Zyxel
before 6.70\(abvt.1\) · source: NVD
NF
Nwa210ax Firmware · Zyxel
before 6.70\(abtd.2\) · source: NVD
NF
Nwa220ax-6e Firmware · Zyxel
before 6.70\(acco.1\) · source: NVD
NF
Nwa50ax Firmware · Zyxel
before 6.29\(abyw.4\) · source: NVD
NF
Nwa50ax-pro Firmware · Zyxel
before 6.80\(acge.0\) · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6398
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6398
Vendor Advisory
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-aps-02-20-2024
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