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Critical · 9.8 Public exploit CVE-2021-4039 EUVD-2021-33939GHSA-9ww2-qwrq-m7wv

A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS co…

Published Mar 1, 2022 · Updated Aug 3, 2024 · Assigned by Zyxel

Description

A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device.

Affected products

VendorProductAffectedFixed
Zyxel NWA1100-NH firmware 2.12(AASI.0)C0 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Exploit-DB 1

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References