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Vendor advisoryKnown exploitedSeverity 9.8 criticalExploit likelihood 100%
SSA-566512: PHP2Shell Vulnerabilities in Palo Alto Networks PAN-OS on RUGGEDCOM APE1808 Devices
SSA-566512 · Siemens · October 23, 2026
Summary
Palo Alto Networks has published [1] information on vulnerabilities in PAN-OS related to PHP2Shell vulnerabilities. This advisory lists the related Siemens Industrial products affected by these vulnerabilities.
Customers are advised to consult and implement the workarounds provided in Palo Alto Networks' upstream security notifications.
[1] https://security.paloaltonetworks.com/CVE-2026-109618
From Siemens (vendor's own words, quoted), quoted as published. Check the source before acting.
What to do
Upgrade to corresponding available PAN-OS version. Contact customer support to receive additional patch and update information.
Vendor fix or mitigation, quoted from the advisory.
Each CVE in this advisory
| CVE | Severity | Known exploited | Exploit likelihood |
|---|---|---|---|
| CVE-2026-109618 | 9.8 critical | Exploited | 100.0% |
| CVE-2026-109619 | 8.1 high | Exploited | 100.0% |
Severity from the advisory (CVSS), known exploitation from CISA's catalog, exploit likelihood from EPSS (next 30 days).
Affected products
| Vendor | Product |
|---|---|
| Siemens | RUGGEDCOM APE1808 |
Why it's on these mode pages
- Maritime: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
- Pipeline: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
- Freight rail: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
- Passenger rail and transit: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
- Highway and motor carrier: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
- Postal and parcel: Vendor table: Siemens (industrial control makers used in every mode, all modes) (matched by rule)
Change history
- October 23, 2026: Publication Date
- October 28, 2026: Updated Remediation to include PAN-OS
- November 4, 2026: Adjusted history entry of V1.1
- November 9, 2026: First collected by Watch
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