medium4.3
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 t…
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Copeland | Xweb 300d Pro Firmware | through 1.12.1 |
| Copeland | Xweb 500d Pro Firmware | through 1.12.1 |
| Copeland | Xweb 500b Pro Firmware | through 1.12.1 |