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PatchSiren cyber security CVE debrief

CVE-2019-19356 Netis CVE debrief

CVE-2019-19356 is a Netis WF2419 device remote code execution vulnerability that CISA has listed in its Known Exploited Vulnerabilities catalog. Because it is on the KEV list, defenders should treat it as an active risk and prioritize remediation using the vendor’s update guidance.

Vendor
Netis
Product
WF2419 Devices
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

Organizations that operate or manage Netis WF2419 devices should care most, especially internet-facing deployments and any systems that cannot be quickly patched or replaced. Security teams tracking CISA KEV items should also prioritize this CVE.

Technical summary

The supplied corpus identifies the issue as a remote code execution vulnerability in Netis WF2419 devices. No CVSS score, exploit detail, or further technical breakdown is provided in the supplied sources. CISA’s KEV catalog entry indicates the vulnerability is known to be exploited and directs users to apply updates per vendor instructions.

Defensive priority

High. CISA has added this CVE to the Known Exploited Vulnerabilities catalog, which is a strong signal to remediate promptly.

Recommended defensive actions

  • Apply updates per vendor instructions for Netis WF2419 devices.
  • Inventory all Netis WF2419 devices to confirm exposure and ownership.
  • Prioritize remediation of any internet-facing or remotely managed instances.
  • If immediate patching is not possible, isolate or restrict access to affected devices until updates are applied.
  • Track this CVE as a KEV item in vulnerability management and exception workflows.

Evidence notes

The CVE record and NVD entry identify the vulnerability as CVE-2019-19356. The CISA KEV source item names it as a Netis WF2419 Devices remote code execution vulnerability, marks it as known exploited, and states the required action is to apply updates per vendor instructions. The supplied corpus does not include a CVSS score or additional exploit details.

Sources and references

Verified primary and authoritative sources

  • CVE-2019-19356 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2019-19356

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2019-19356 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2019-19356

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.