PT-2022-2717 · Zyxel · Zyxel Nwa-1100-Nh

Published 2022-03-01 · Updated 2022-04-28 · CVE-2021-4039

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Zyxel NWA-1100-NH (affected versions not specified)

Description A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware exists due to the lack of measures to neutralize special elements used in operating system commands. This vulnerability can be exploited by a remote attacker to execute arbitrary OS commands on the device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2022-03221

CVE-2021-4039

Affected Products

Zyxel Nwa-1100-Nh

References · 10

• 🔥 https://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.html · Exploit
• 🔥 https://exploit-db.com/exploits/50870 · Exploit
• 🔥 http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.html · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-4039 · Security Note
• https://zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtml · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-4039 · Vendor Advisory
• https://bdu.fstec.ru/vul/2022-03221 · Security Note
• https://t.me/cibsecurity/38253 · Telegram Post
• https://t.me/cvenotify/27948 · Telegram Post
• https://t.me/cvenotify/27526 · Telegram Post