CVE-2026-25599
MediumCVSS 6.3Exploitation Probability (EPSS)
Low risk2th percentile - higher than 2% of all known CVEs
Summary
In Orca heat pumps, missing authentication and clear-text transmission to the server, combined with lack of input validation, can lead to stored XSS enabling cookie theft from the web interface.
Risk Assessment
An attacker can impersonate a device, inject malicious code into the user portal, leading to data theft and unauthorized actions.
Recommendation
Update Orca heat pump firmware to a patched version or secure communication with TLS and add authentication.
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Original NVD description (English source)
Missing authentication and clear‑text transmission of data from the heat pumps to the control server, combined with the absence of input validation on aggregated data, can lead to stored XSS that enables theft of cookies from the pump’s web control interface. Older Orca heat pump devices communicating with the Orca server over an unencrypted and unauthenticated HTTP connection on a non-secure port specifically enable an attacker to impersonate a legitimate device and inject malicious payloads. This enables the insertion of harmful code directly into the Orca user portal, potentially compromising user accounts, exposing sensitive information, and allowing further unauthorized actions within the portal.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

