USG 200 : 2.20 to latest

florianbizet
Posts: 3


in Security
Hello,
I have a USG 200 zyxel, and I finally got around to updating this router.
I saw on the forums that it is necessary to upgrade the versions little by little.
Unfortunately, I can't find the versions between 2.20 and the latest (both in the portal with the registered router and in the download center).
Could you help me please?
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I need 2.20(AQU.6)C0 firmware... thanks0
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AFAIK, latest firmware for USG200 was something like 3.30P2. And it was dated during 2016.
Into the recent EOL website, that family of devices is not even reported.
Edit:
zyxel declared an unpatched (due to EOS/EOL) vulnerability for all the USG 3.x firmware version family.
https://community.zyxel.com/en/discussion/13595/zyxel-security-advisory-for-crlf-injection-vulnerability-in-some-legacy-firewalls
USG 4.x devices will go EOL at the end ot 2022.0 -
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