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CVE-2026-87827— KGUARD DVR unauthenticated remote command execution vulnerability

Quick assessment

Affected
KGUARD KGUARD_firmware
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.

KGUARD DVR是KGUARD公司的一款可录制并存储视频影像并支持回放的数字视频录像设备。 KGUARD DVR存在配置错误漏洞，该漏洞源于系统命令执行服务在所有网络接口上暴露且无需身份验证，远程未经身份验证的攻击者可执行任意系统命令，可能导致DVR完全被破解。

CVSS 10.0 · Critical EPSS 1.07% · P63

Affected Version Matrix 1

VendorProduct Version RangeStatus
KGUARD KGUARD_firmware ≤ * unknown
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I. Basic Information for CVE-2026-87827

Vulnerability Information
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Vulnerability Title
KGUARD DVR unauthenticated remote command execution vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Certain KGUARD DVR devices running vulnerable firmware expose a system command execution service on all network interfaces without requiring authentication. A remote unauthenticated attacker with network access to the affected service can execute arbitrary system commands on the device, potentially resulting in complete compromise of the DVR. The vulnerability is known to have been exploited in the wild by the Mirai_ptea (Rimasuta) and Mirai_aurora botnets for malware propagation and subsequent DDoS activity. The vulnerability was reported to affect firmware dating from 2016, while firmware released after 2017 appears to mitigate the issue by restricting the affected service to the localhost interface (127.0.0.1) instead of exposing it on all interfaces (0.0.0.0). The affected-device list reported by Netlab includes many D1004NR, D1008NR, D1016NR, D1104, D1104NR, D1108NR, D1116NR, D1132NR, D2116NR, D97xx, D98xx, and D99xx variants and several associated hardware revisions The exploit is included in some version of rapperbot and exploited in 2026. This assignment has been made to document the active exploitation and lack of documentation from the vendor.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的默认资源初始化
Source: CVE Program / CVE List V5
Vulnerability Title
KGUARD DVR 配置错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
KGUARD DVR是KGUARD公司的一款可录制并存储视频影像并支持回放的数字视频录像设备。 KGUARD DVR存在配置错误漏洞，该漏洞源于系统命令执行服务在所有网络接口上暴露且无需身份验证，远程未经身份验证的攻击者可执行任意系统命令，可能导致DVR完全被破解。
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
KGUARD KGUARD_firmware - -

II. Public POCs for CVE-2026-87827

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III. Intelligence Information for CVE-2026-87827

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IV. Related Vulnerabilities

Same weakness: CWE-1188

V. Comments for CVE-2026-87827

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