9.8

CVE-2026-20797

A stack based buffer overflow exists in an API route of XWEB Pro version
 1.12.1 and prior, enabling unauthenticated attackers to cause stack 
corruption and a termination of the program.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Copeland ≫ Xweb 300d Pro Firmware Version <= 1.12.1
   Copeland ≫ Xweb 300d Pro Version-
Copeland ≫ Xweb 500d Pro Firmware Version <= 1.12.1
   Copeland ≫ Xweb 500d Pro Version-
Copeland ≫ Xweb 500b Pro Firmware Version <= 1.12.1
   Copeland ≫ Xweb 500b Pro Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.06% 0.171
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
ics-cert@hq.dhs.gov 4.3 2.8 1.4
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

https://www.cisa.gov/news-events/ics-advisories/icsa-26-057-10
Third Party Advisory
US Government Resource