Usg40 Firmware vulnerabilitiesAnd the versions its exploited flaws hit.
Usg40 Firmware is made by Zyxel. We track 9 published vulnerabilities in it, across 8 versions. 2 of them are on the list of flaws known to be exploited, the newest added on 25 March 2022. If you run Usg40 Firmware, check your version against the exploited flaws below and patch those first.
The most recent Usg40 Firmware flaw added to the known-exploited list is CVE-2020-9054, on 25 March 2022. We keep watching the known-exploited list.
Which versions of Usg40 Firmware do the exploited flaws hit?
Each exploited flaw lists the versions it affects, usually as ranges. "4.35 to before 4.35(aala.3)c0" means from 4.35 up to, but not including, 4.35(aala.3)c0. Find your version, then patch.
- CVE-2020-9054Exploited list, 25 Mar 2022
Zyxel Multiple NAS Devices OS Command Injection Vulnerability
4.35 to before 4.35(aala.3)c0 - CVE-2020-29583Exploited list, 3 Nov 2021
Zyxel Multiple Products Use of Hard-Coded Credentials Vulnerability
4.60
Which Usg40 Firmware vulnerabilities are being exploited?
2 flaws are on the government list of vulnerabilities known to be exploited. These are the ones criminals are using now, so they go first, whatever their severity score says.
- 9.8Zyxel Multiple NAS Devices OS Command Injection Vulnerability
Multiple Zyxel network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary code.
- 9.8Zyxel Multiple Products Use of Hard-Coded Credentials Vulnerability
Zyxel firewalls (ATP, USG, VM) and AP Controllers (NXC2500 and NXC5500) contain a use of hard-coded credentials vulnerability in an undocumented account ("zyfwp") with an unchangeable password.
Which Usg40 Firmware flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- >99%
Multiple ZyXEL network-attached storage (NAS) devices running firmware version 5.21 contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute...
- 90%
Firmware version 4.60 of Zyxel USG devices contains an undocumented account (zyfwp) with an unchangeable password.
- 2.3%CVE-2021-35029Critical
An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP, and VPN series firmware versions 4.35 through 5.01,...
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1 flaw being exploited affects software Acme tracks
Multiple Zyxel network-attached storage (NAS) devices contain a pre-authentication command injection vulnerability, which may allow a remote, unauthenticated attacker to execute arbitrary code.
- Matched to
- Usg40 Firmware on Acme's software list
- What to do
- Patch first, then check for signs of use
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 9 published vulnerabilities listed under the name Usg40 Firmware, across 8 versions. The most recent Usg40 Firmware flaw added to the known-exploited list is CVE-2020-9054, on 25 March 2022.
2 are on the list of flaws known to be exploited. The most recently added are CVE-2020-9054 and CVE-2020-29583.
Each flaw names its own versions, usually as ranges. The newest, CVE-2020-9054, affects 4.35 to before 4.35(aala.3)c0. The versions for every exploited flaw are listed on this page.
Create a Precursor Intelligence account and track Usg40 Firmware. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.