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CVE-2026-22102— Arbitrary file overwrite through certificate update functionality

Quick assessment

Affected
EVbee DC-80
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.

EVbee DC-80是EVbee公司的一款物联网设备。 EVbee DC-80 1.5.1之前版本存在输入验证错误漏洞，该漏洞源于对Content-Disposition标头中filename参数的输入验证不足，可用于通过覆盖系统文件导致拒绝服务，或通过覆盖可被其他方式触发的shell脚本导致远程代码执行。

AI Predicted 8.8 Difficulty: Easy EPSS 0.53% · P44

Affected Version Matrix 1

VendorProduct Version RangeStatus
EVbee DC-80 < 1.5.1 affected
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I. Basic Information for CVE-2026-22102

Vulnerability Information
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Vulnerability Title
Arbitrary file overwrite through certificate update functionality
Source: CVE Program / CVE List V5
Vulnerability Description
A POST request sent to a specific webserver endpoint can be used to write to arbitrary file locations. The endpoint accepts the filename parameter in the Content-Disposition header without verification. This can be used to cause a denial of service by overwriting system files, or remote-code-execution by overwriting shell-scripts which execution can be triggered through other means.
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:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
EVbee DC-80 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EVbee DC-80是EVbee公司的一款物联网设备。 EVbee DC-80 1.5.1之前版本存在输入验证错误漏洞，该漏洞源于对Content-Disposition标头中filename参数的输入验证不足，可用于通过覆盖系统文件导致拒绝服务，或通过覆盖可被其他方式触发的shell脚本导致远程代码执行。
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
EVbee DC-80 0 ~ 1.5.1 -

II. Public POCs for CVE-2026-22102

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III. Intelligence Information for CVE-2026-22102

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Vendor Advisories for CVE-2026-22102 (1)

Same Patch Batch · EVbee · 2026-07-13 · 9 CVEs total

CVE-2026-22097 Missing firmware validation allows remote code execution
CVE-2026-22098 Sensitive information is written to logs
CVE-2026-22103 Command injection in NPC start web endpoint
CVE-2026-22100 Comnand injection in OCPP ReserveLogin message
CVE-2026-22093 Adversary-in-the-Middle (AitM) attack vulnerability in EVbee Service app
CVE-2026-22099 Missing authentication for Bluetooth communication
CVE-2026-22095 Command injection in diagnosis web endpoint
CVE-2026-22096 Missing authentication for webserver endpoints

IV. Related Vulnerabilities

Same product: DC-80
Same vendor: EVbee
Same weakness: CWE-20

V. Comments for CVE-2026-22102

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