CVE-2026-20797
9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD
Description
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 (3)
Configuration A
| Vulnerable Software | Affected Versions |
|---|---|
| Up to 1.12.1 |
| Running on/with | Platform Versions |
|---|---|
Copeland Xweb 300d Pro | All versions |
Configuration B
| Vulnerable Software | Affected Versions |
|---|---|
| Up to 1.12.1 |
| Running on/with | Platform Versions |
|---|---|
Copeland Xweb 500d Pro | All versions |
Configuration C
| Vulnerable Software | Affected Versions |
|---|---|
| Up to 1.12.1 |
| Running on/with | Platform Versions |
|---|---|
Copeland Xweb 500b Pro | All versions |
Related CWEs
CWE-121
Stack-based Buffer Overflow
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
References (3)
Source: ics-cert@hq.dhs.gov
Third Party Advisory
Source: ics-cert@hq.dhs.gov
Third Party AdvisoryUS Government Resource
Timeline
No history available yet.