Log in Start free

Vulnerability · Published Jul 17, 2023 · Assigned by Zyxel

CVE-2023-34141

High 8.0

In plain English

A high-severity OS command injection in ATP series firmware from Zyxel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities).

Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.7%top 47.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A command injection vulnerability in the access point (AP) management feature of the Zyxel ATP series firmware versions 5.00 through 5.36 Patch 2, USG FLEX series firmware versions 5.00 through 5.36 Patch 2, USG FLEX 50(W) series firmware versions 5.00 through 5.36 Patch 2, USG20(W)-VPN series firmware versions 5.00 through 5.36 Patch 2, VPN series firmware versions 5.00 through 5.36 Patch 2, NXC2500 firmware versions 6.10(AAIG.0) through 6.10(AAIG.3), and NXC5500 firmware versions 6.10(AAOS.0) through 6.10(AAOS.4), could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device if the attacker could trick an authorized administrator to add their IP address to the managed AP list in advance.

Affected products (as reported)

VendorProductVersions
Zyxel ATP series firmware 5.00 through 5.36 Patch 2
Zyxel USG FLEX series firmware 5.00 through 5.36 Patch 2
Zyxel USG FLEX 50(W) series firmware 5.00 through 5.36 Patch 2
Zyxel USG20(W)-VPN series firmware 5.00 through 5.36 Patch 2
Zyxel VPN series firmware 5.00 through 5.36 Patch 2
Zyxel NXC2500 firmware 6.10(AAIG.0) through 6.10(AAIG.3)
Zyxel NXC5500 firmware 6.10(AAOS.0) through 6.10(AAOS.4)

Weakness: CWE-78 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References