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PatchSiren cyber security CVE debrief

CVE-2025-4229 Siemens CVE debrief

CVE-2025-4229 is a medium-severity information disclosure issue reported in CISA advisory ICSA-25-162-02 and tied in the source metadata to Siemens RUGGEDCOM APE1808. The supplied description says an unauthorized user who can intercept packets sent from the firewall through the SD-WAN interface may view unencrypted data. The corpus also contains a product-name mismatch, because the vulnerability text names Palo Alto Networks PAN-OS while the advisory metadata identifies Siemens RUGGEDCOM APE1808, so operators should verify the affected product against the linked Siemens advisory before acting.

Vendor
Siemens
Product
RUGGEDCOM APE1808
CVSS
MEDIUM 6.5
CISA KEV
Not listed in stored evidence
Original CVE published
2025-06-10
Original CVE updated
2026-03-12
Advisory published
2025-06-10
Advisory updated
2026-03-12

Who should care

Siemens RUGGEDCOM APE1808 operators, OT/ICS network defenders, and security teams responsible for SD-WAN paths or packet-capture-capable network segments should review this issue. It matters most where an attacker could intercept traffic traversing the SD-WAN interface.

Technical summary

The supplied CVSS vector indicates a network-reachable confidentiality issue with no integrity or availability impact: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N. In the source description, the vulnerability allows an unauthorized user who can intercept packets from the firewall via the SD-WAN interface to view unencrypted data. The advisory metadata associates the issue with Siemens RUGGEDCOM APE1808, but the vulnerability text itself names Palo Alto Networks PAN-OS; that inconsistency should be validated against the vendor advisory and CISA CSAF record.

Defensive priority

Medium. Prioritize validation and patch planning if the affected product is deployed in environments where SD-WAN traffic could be intercepted, especially in segmented OT/ICS networks.

Recommended defensive actions

  • Verify the affected product and version directly against Siemens ProductCERT SSA-513708 and CISA ICSA-25-162-02 before scheduling remediation.
  • Contact vendor support to obtain the patch or update information referenced by the advisory, then apply it according to change-control requirements.
  • Review SD-WAN traffic paths and reduce opportunities for packet interception through segmentation, trusted network paths, and access controls on monitoring points.
  • Audit whether any sensitive data traverses the SD-WAN interface unencrypted and assess exposure in environments where packet capture is possible.
  • Track the advisory for later revisions and confirm whether additional products or versions are added by the vendor or CISA.

Evidence notes

Primary evidence comes from the supplied CISA CSAF source item for ICSA-25-162-02, the linked Siemens ProductCERT advisory references, and the CVE.org record link. The corpus explicitly states the packet-interception condition and unencrypted-data exposure, and it also shows a metadata/content mismatch between Siemens RUGGEDCOM APE1808 and a description naming Palo Alto Networks PAN-OS. No KEV entry was provided in the source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-4229 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-4229

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

  • CVE-2025-4229 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-4229

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

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-162-02.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-513708.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-513708.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-162-02

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-alerts/ics-alert-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

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.