750-881 Firmware vulnerabilitiesRanked by how likely they are to be used.

Product10 versions
The short answer

750-881 Firmware is made by Wago. We track 27 published vulnerabilities in it, across 10 versions. None of them is on the list of flaws known to be exploited today. If you run 750-881 Firmware, keep it on a version the vendor still supports.

See the riskiest flaws

We keep watching the known-exploited list.

Known exploited

Which 750-881 Firmware vulnerabilities are being exploited?

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

None of 750-881 Firmware's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which 750-881 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. 14%

    In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the CODESYS web server and may result in a denial-of-service condition.

    CVSS7.5Published26 Oct 2021
  2. 8.4%

    Crafted web server requests may cause a heap-based buffer overflow and could therefore trigger a denial-of- service condition due to a crash in the CODESYS V2 web server prior to V1.1.9.22.

    CVSS7.5Published26 Oct 2021
  3. 7.4%

    CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow.

    CVSS7.5Published25 May 2021
  4. 7.2%

    CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation.

    CVSS7.5Published25 May 2021
  5. 3.7%

    Wago 750 Series PLCs with firmware version 10 and prior include a remote attack may take advantage of an improper implementation of the 3 way handshake during a TCP connection affecting the communications with...

    CVSS5.3Published3 Apr 2018
  6. 2.9%

    WAGO IO 750-849 01.01.27 and 01.02.05, WAGO IO 750-881, and WAGO IO 758-870 have weak credential management.

    CVSS9.8Published22 Aug 2017
  7. 1.9%

    Older firmware versions (FW1 up to FW10) of the WAGO PLC family 750-88x and 750-352 are vulnerable for a special denial of service attack.

    CVSS7.5Published10 Dec 2020
  8. 1.4%

    CODESYS V2 Web-Server before 1.1.9.20 has Improper Access Control.

    CVSS9.8Published25 May 2021
  9. 1.3%

    CODESYS V2 Web-Server before 1.1.9.20 has a Stack-based Buffer Overflow.

    CVSS9.8Published25 May 2021
Precursor Intelligence

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FAQ

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We track 27 published vulnerabilities listed under the name 750-881 Firmware, across 10 versions.

None of 750-881 Firmware's vulnerabilities is on the list of flaws known to be exploited today.

Create a Precursor Intelligence account and track 750-881 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.