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CVE-2026-73224— Electerm check folder size function may get attacked by unsafe folder name

Quick assessment

Affected
electerm electerm
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

electerm是electerm组织的一款终端仿真程序。 electerm 3.15.120之前版本存在命令注入漏洞，该漏洞源于src/client/components/sftp/file-info-modal.jsx文件中的calcLocal函数将服务器控制的文件夹名插入到du -sh shell命令中且未安全转义单引号，可能导致恶意FTP或SFTP服务器在用户下载特制文件夹并调用Properties和Calculate Size时执行任意命令。

CVSS 8.8 · High EPSS 0.67% · P51

Affected Version Matrix 1

VendorProduct Version RangeStatus
electerm electerm < 3.15.120 affected
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I. Basic Information for CVE-2026-73224

Vulnerability Information
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Vulnerability Title
Electerm check folder size function may get attacked by unsafe folder name
Source: CVE Program / CVE List V5
Vulnerability Description
electerm is an open-sourced terminal/ssh/sftp/telnet/serialport/RDP/VNC/Spice/ftp client. Prior to 3.15.120, electerm allows a malicious FTP or SFTP server to execute arbitrary commands when a user downloads a crafted folder and invokes Properties and Calculate Size because calcLocal in src/client/components/sftp/file-info-modal.jsx inserts the server-controlled folder name into a du -sh shell command without safely escaping single quotes. This issue is fixed in version 3.15.120.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
electerm 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
electerm是electerm组织的一款终端仿真程序。 electerm 3.15.120之前版本存在命令注入漏洞，该漏洞源于src/client/components/sftp/file-info-modal.jsx文件中的calcLocal函数将服务器控制的文件夹名插入到du -sh shell命令中且未安全转义单引号，可能导致恶意FTP或SFTP服务器在用户下载特制文件夹并调用Properties和Calculate Size时执行任意命令。
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
electerm electerm < 3.15.120 -

II. Public POCs for CVE-2026-73224

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 6535 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-73224

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Patches & Fixes for CVE-2026-73224 (1)

Vendor Advisories for CVE-2026-73224 (1)

Vendor Pages for CVE-2026-73224 (1)

Same Patch Batch · electerm · 2026-08-11 · 5 CVEs total

CVE-2026-73226 8.8 HIGH Electerm WebSocket `upgrade-func` and `fs` handlers allow arbitrary method/function invoca
CVE-2026-73225 8.1 HIGH electerm: Path traversal in FTP/SFTP recursive folder download via unsanitized server file
CVE-2026-73223 8.1 HIGH electerm: Path traversal in editWithSystemEditor temp file path via unsanitized SFTP filen
CVE-2026-73227 8.1 HIGH electerm's RDP clipboard file download may parse unsafe file name

IV. Related Vulnerabilities

Same product: electerm
Same vendor: electerm
Same weakness: CWE-78

V. Comments for CVE-2026-73224

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