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CVE-2025-43873— iSTAR Ultra, Ultra SE, Ultra G2, Ultra G2 SE, iSTAR Edge G2 - Authenticated web application command injection - setFaultDebounce

Quick assessment

Affected
Johnson Control iSTAR Ultra, iSTAR Ultra SE, iSTAR Ultra G2, iSTAR Ultra G2 SE, iSTAR Edge G2
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.

Johnson Controls iSTAR series是美国江森自控（Johnson Controls）公司的一系列门禁控制器。 Johnson Controls iSTAR series存在安全漏洞，该漏洞源于攻击者可修改固件，可能导致完全访问设备。以下产品受到影响：iSTAR Ultra、iSTAR Ultra SE、iSTAR Ultra G2、iSTAR Ultra G2 SE、iSTAR Edge G2和iSTAR Ultra LT。

CVSS 8.7 · High EPSS 0.29% · P21

Affected Version Matrix 1

VendorProduct Version RangeStatus
Johnson Control iSTAR Ultra, iSTAR Ultra SE, iSTAR Ultra G2, iSTAR Ultra G2 SE, iSTAR Edge G2 ≤ 6.9.3 affected
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I. Basic Information for CVE-2025-43873

Vulnerability Information
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Vulnerability Title
iSTAR Ultra, Ultra SE, Ultra G2, Ultra G2 SE, iSTAR Edge G2 - Authenticated web application command injection - setFaultDebounce
Source: CVE Program / CVE List V5
Vulnerability Description
Successful exploitation of these vulnerabilities could allow an attacker to modify firmware and gain full access to the device.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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
Johnson Controls iSTAR series 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Johnson Controls iSTAR series是美国江森自控（Johnson Controls）公司的一系列门禁控制器。 Johnson Controls iSTAR series存在安全漏洞，该漏洞源于攻击者可修改固件，可能导致完全访问设备。以下产品受到影响：iSTAR Ultra、iSTAR Ultra SE、iSTAR Ultra G2、iSTAR Ultra G2 SE、iSTAR Edge G2和iSTAR Ultra LT。
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
Johnson Control iSTAR Ultra, iSTAR Ultra SE, iSTAR Ultra G2, iSTAR Ultra G2 SE, iSTAR Edge G2 0 ~ 6.9.3 -

II. Public POCs for CVE-2025-43873

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2025-43873

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Vendor Advisories for CVE-2025-43873 (1)

Vendor Pages for CVE-2025-43873 (1)

IV. Related Vulnerabilities

Same vendor: Johnson Control
Same weakness: CWE-78