CVEvulnerability

CVE-2026-20797

9.8 CRITICAL Published 2026-02-27 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2026-02-27
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-121, CWE-787

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 configurations

• copeland xweb 300d pro firmware (<= 1.12.1) • copeland xweb 500d pro firmware (<= 1.12.1) • copeland xweb 500b pro firmware (<= 1.12.1)

Related

Weakness · CWE (2)

  • CWE-121 Stack-based Buffer Overflow weakness
  • CWE-787 Out-of-bounds Write weakness

References