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I. Basic Information for CVE-2026-20797
Vulnerability Information
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Vulnerability Title
Copeland XWEB and XWEB Pro Stack-based Buffer Overflow
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Copeland多款产品 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Copeland XWEB 500D PRO和Copeland XWEB 500B PRO都是美国Copeland公司的一款先进的商用与工业制冷监控管理系统。 Copeland多款产品存在缓冲区错误漏洞，该漏洞源于API路由存在栈缓冲区溢出，可能导致栈损坏和程序终止。以下产品受到影响：Copeland XWEB 300D PRO,Copeland XWEB 500D PRO,Copeland XWEB 500B PRO。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
CopelandCopeland XWEB 300D PRO 0 ~ 1.12.1 -
CopelandCopeland XWEB 500D PRO 0 ~ 1.12.1 -
CopelandCopeland XWEB 500B PRO 0 ~ 1.12.1 -
II. Public POCs for CVE-2026-20797
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III. Intelligence Information for CVE-2026-20797
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IV. Related Vulnerabilities
Same product: Copeland XWEB 300D PRO
Same vendor: Copeland
V. Comments for CVE-2026-20797

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