CVE-2026-25105: Copeland XWEB and XWEB Pro OS Command Injection

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-27 · updated 2026-06-17
Weakness: CWE-78

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 injecting malicious input into parameters of the Modbus command tool in the debug route.

Affected products

Copeland Xweb 300D Pro Firmware: through 1.12.1
Copeland Xweb 500B Pro Firmware: through 1.12.1
Copeland Xweb 500D Pro Firmware: through 1.12.1

References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-057-10.json
https://webapps.copeland.com/Dixell/Pages/SystemSoftwareUpdate
https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10

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