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Date: Tue, 7 Jun 2022 08:42:46 +0200
From: Marco Ivaldi <>
Subject: [FD] HNS-2022-02 - HN Security Advisory - Multiple vulnerabilities
 in Zyxel zysh

Dear Full Disclosure,

Find attached a security advisory that details multiple
vulnerabilities we discovered in the zysh shell distributed with some
Zyxel products, including their security appliances.

* Title: Multiple vulnerabilities in Zyxel zysh
* Products: Zyxel firewalls, AP controllers, and APs
* Author: Marco Ivaldi <>
* Date: 2022-06-07
* CVE Names and Vendor CVSS Scores:
  CVE-2022-26531: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H (6.1)
  CVE-2022-26532: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (7.8)
* Advisory URLs:

For additional information, please refer to our vulnerability writeup:


Marco Ivaldi
"When cryptography is outlawed, bayl bhgynjf jvyy unir cevinpl."

View attachment "HNS-2022-02-zyxel-zysh.txt" of type "text/plain" (36827 bytes)

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