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8.8
XWEB Pro: Malicious Input Can Run System Commands
CVE-2026-20764
Summary
XWEB Pro versions 1.12.1 and earlier are at risk if an attacker, who has already logged in, can trick the system into running malicious commands by submitting fake device hostnames. This could allow the attacker to take control of the system. Update to the latest version to fix this issue.
What to do
No fix is available yet. Check with your software vendor for updates.
Affected software
| Vendor | Product | Affected versions | Fix available |
|---|---|---|---|
| copeland | xweb_300d_pro_firmware | <= 1.12.1 | – |
| copeland | xweb_500d_pro_firmware | <= 1.12.1 | – |
| copeland | xweb_500b_pro_firmware | <= 1.12.1 | – |
Original title
An OS command injection
vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an
authenticated attacker to achieve remote code execution on the system by
providing malicious input ...
Original description
An OS command injection
vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an
authenticated attacker to achieve remote code execution on the system by
providing malicious input via the device hostname configuration which
is later processed during system setup, resulting in remote code
execution.
vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling an
authenticated attacker to achieve remote code execution on the system by
providing malicious input via the device hostname configuration which
is later processed during system setup, resulting in remote code
execution.
nvd CVSS3.1
8.8
Vulnerability type
CWE-78
OS Command Injection
- https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-05... Third Party Advisory
- https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate Product
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10 Third Party Advisory US Government Resource
Published: 27 Feb 2026 · Updated: 12 Mar 2026 · First seen: 6 Mar 2026