PatchSiren

PatchSiren cyber security CVE debrief

CVE-2025-40887 Siemens CVE debrief

A SQL injection vulnerability in the Alert functionality of Siemens RUGGEDCOM APE1808 allows authenticated users with limited privileges to execute arbitrary SELECT statements against the application's database, potentially exposing unauthorized data. The vulnerability stems from improper input validation on an Alert-related parameter. This is a network-accessible vulnerability requiring low privileges but is rated medium severity due to high attack complexity. The issue was initially disclosed on August 12, 2025, and subsequently incorporated into a broader Siemens security advisory (SSA-978177) that was republished by CISA on January 14, 2026. A vendor fix is available requiring upgrade to Nozomi Guardian/CMC V25.4.0, with CLI-based upgrade recommended over web GUI.

Vendor
Siemens
Product
RUGGEDCOM APE1808
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2025-08-12
Original CVE updated
2026-01-14
Advisory published
2025-08-12
Advisory updated
2026-01-14

Who should care

Organizations operating Siemens RUGGEDCOM APE1808 industrial networking equipment, particularly in critical infrastructure environments. Security teams responsible for OT/ICS asset protection, database administrators managing backend systems for industrial applications, and compliance officers tracking CVE remediation for regulatory frameworks.

Technical summary

The vulnerability exists in the Alert functionality where an input parameter lacks proper validation, permitting SQL injection. An authenticated attacker with limited privileges can craft malicious input to execute arbitrary SELECT statements against the backend DBMS. This is a read-only injection vector (no INSERT/UPDATE/DELETE indicated) limiting immediate integrity impact, but enabling unauthorized data exfiltration. The CVSS 3.1 vector (AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N) reflects network accessibility, high attack complexity, low privilege requirements, and high confidentiality impact with no integrity or availability impact. The affected product is the Siemens RUGGEDCOM APE1808 industrial networking platform. Remediation requires upgrading to Nozomi Guardian/CMC V25.4.0, with CLI-based upgrade recommended due to potential web GUI errors during the process.

Defensive priority

medium

Recommended defensive actions

  • Apply vendor fix by upgrading Nozomi Guardian/CMC to V25.4.0 using CLI rather than web GUI to avoid potential errors
  • Implement internal firewall rules to restrict access to the web management interface
  • Review and audit all accounts with web management access, removing unnecessary accounts
  • Contact Siemens customer support to obtain specific patch and update information for your environment
  • Monitor database query logs for anomalous SELECT statements that may indicate exploitation attempts

Evidence notes

Vulnerability description and remediation details sourced from CISA CSAF advisory ICSA-25-226-09, which republishes Siemens ProductCERT advisory SSA-978177. CVSS vector confirms network attack vector with high complexity and low privilege requirements. Vendor fix specifies upgrade to V25.4.0 with CLI recommendation.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-40887 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-40887

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

  • CVE-2025-40887 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-40887

    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-25-226-09.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/csaf/ssa-978177.json

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://cert-portal.siemens.com/productcert/html/ssa-978177.html

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-226-09

    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.