[ CVE-2026-27867 · Published 25 Sep 2026 ]
Vulnerability in Teldat Regesta Smart HD-PLC - TLDPH16D2
CVSS 4.8
EPSS <1%No fix listed yet
[ Description ]Official description
An attacker with access via network to the Regesta Smart HD-PLC of the provider Teldat (in this case, registration action is required) who has the vulnerable firmware version could inject a specific payload via the parameter "cmdcookie" withing the /upgrade/index.html resulting in to a Cross-Site Scripting (XSS). This issue affects Regesta Smart HD-PLC - TLDPH16D2: 11.02.06.00.02
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.