Zywall 110 Firmware vulnerabilitiesRanked by how likely they are to be used.

Product7 versions
The short answer

Zywall 110 Firmware is made by Zyxel. We track 8 published vulnerabilities in it, across 7 versions. None of them is on the list of flaws known to be exploited today. If you run Zywall 110 Firmware, keep it on a version the vendor still supports.

See the riskiest flaws

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Known exploited

Which Zywall 110 Firmware vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Zywall 110 Firmware's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Zywall 110 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.

50% or more10% to 49%Under 10%
  1. 44%

    Missing Access Control in the "Free Time" component of several Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate guest accounts by directly accessing the account generator.

    CVSS9.1Published27 Jun 2019
  2. 2.3%

    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,...

    CVSS9.8Published2 Jul 2021
  3. 1.0%

    ZyXEL ZyWALL/USG series devices have a Bleichenbacher vulnerability in their Internet Key Exchange (IKE) handshake implementation used for IPsec based VPN connections.

    CVSS5.9Published15 Aug 2018
Precursor Intelligence

Running Zywall 110 Firmware? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

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  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

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We track 8 published vulnerabilities listed under the name Zywall 110 Firmware, across 7 versions.

None of Zywall 110 Firmware's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track Zywall 110 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.