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CVE-2026-60095— Vinchin Backup & Recovery 9.0.0.86562 Stack Buffer Overflow via ModuleHandShake

Quick assessment

Affected
Vinchin Backup & Recovery 9.0
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Vinchin Backup & Recovery是中国Vinchin公司的一款数据备份与恢复软件。 Vinchin Backup & Recovery 9.0.0.86562及之前版本存在缓冲区错误漏洞，该漏洞源于agentlink_server服务的ModuleHandShake函数中存在栈缓冲区溢出，导致未经身份验证的远程攻击者可通过提供超大的_listen_uuid字段覆盖保存的返回地址，发送特制请求造成进程崩溃或潜在的控制流劫持。

CVSS 6.5 · Medium EPSS 0.74% · P54

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 1

VendorProduct Version RangeStatus
Vinchin Backup & Recovery 9.0 ≤ 9.0.0.86562 affected
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I. Basic Information for CVE-2026-60095

Vulnerability Information
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Vulnerability Title
Vinchin Backup & Recovery 9.0.0.86562 Stack Buffer Overflow via ModuleHandShake
Source: CVE Program / CVE List V5
Vulnerability Description
Vinchin Backup & Recovery through 9.0.0.86562 contains a stack buffer overflow vulnerability in the ModuleHandShake function of the agentlink_server service that allows unauthenticated remote attackers to overwrite the saved return address by supplying an oversized _listen_uuid field that is measured via strlen() and copied without bounds checking into a fixed-length stack buffer using strcpy(). Attackers can send a crafted request with a malicious _listen_uuid value to corrupt the stack and achieve process crash or potential control flow hijack without requiring authentication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Vinchin Backup & Recovery 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vinchin Backup & Recovery是中国Vinchin公司的一款数据备份与恢复软件。 Vinchin Backup & Recovery 9.0.0.86562及之前版本存在缓冲区错误漏洞，该漏洞源于agentlink_server服务的ModuleHandShake函数中存在栈缓冲区溢出，导致未经身份验证的远程攻击者可通过提供超大的_listen_uuid字段覆盖保存的返回地址，发送特制请求造成进程崩溃或潜在的控制流劫持。
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

Vendor Product Affected Versions CPE Subscribe
Vinchin Backup & Recovery 9.0 0 ~ 9.0.0.86562 -

II. Public POCs for CVE-2026-60095

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III. Intelligence Information for CVE-2026-60095

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Vendor Advisories for CVE-2026-60095 (1)

Vendor Pages for CVE-2026-60095 (1)

IV. Related Vulnerabilities

Same product: Backup & Recovery 9.0
Same vendor: Vinchin
Same weakness: CWE-121

V. Comments for CVE-2026-60095

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