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JAIOTlink C492A-W6 EUVDEUVD-2026-41048

| CVE-2026-58452 HIGH
OS Command Injection (CWE-78)
2026-07-01 VulnCheck GHSA-j337-868r-326w
RCE Command Injection C492A W6 Wi Fi Ip Camera
8.7
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
8.7 HIGH
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
8.8 HIGH

Network-reachable HTTP endpoint (AV:N) with straightforward injection (AC:L) but requires low-privilege authentication (PR:L); command execution yields full device compromise, so C/I/A all High.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

1
Analysis Generated
Jul 01, 2026 - 16:50 vuln.today

DescriptionCVE.org

JAIOTlink C492A-W6 Wi-Fi IP cameras running firmware 4.8.30.57701411 contain an OS command injection vulnerability that allows authenticated attackers to achieve remote code execution by supplying a malicious Wireless parameter to the HTTP PUT NetSDK/Factory SetMAC endpoint. Attackers can craft a string beginning with a valid MAC-like prefix followed by a semicolon and a shell payload, which bypasses partial sscanf() validation and is passed unsanitized into an echo shell command executed through a system() wrapper.

AnalysisAI

Authenticated remote code execution in JAIOTlink C492A-W6 Wi-Fi IP cameras (firmware 4.8.30.57701411) lets a logged-in attacker run arbitrary OS commands via the HTTP PUT NetSDK/Factory SetMAC endpoint. The Wireless parameter is only partially validated by sscanf(), so a value shaped as a valid MAC prefix followed by a semicolon and shell payload survives validation and is passed unsanitized into an echo command run through system(). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Authenticate to camera web interface
Delivery
Send HTTP PUT to NetSDK/Factory SetMAC
Exploit
Supply MAC-prefix;shell-payload Wireless param
Execution
Bypass partial sscanf() validation
Persist
Payload passed to system() via echo
Impact
Execute arbitrary OS commands on device
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Vulnerability AssessmentAI

Exploitation Exploitation requires valid authentication to the camera (CVSS PR:L confirms low-privilege credentials are needed), network reachability to the camera's HTTP management interface, and the ability to send an HTTP PUT request to the specific NetSDK/Factory SetMAC endpoint. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The supplied CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H) indicates network-reachable, low-complexity exploitation requiring only low-privilege authentication, with high confidentiality, integrity, and availability impact on the device - consistent with full device takeover. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who has obtained valid (possibly default or weak) camera credentials sends an HTTP PUT request to the NetSDK/Factory SetMAC endpoint with a Wireless parameter such as a valid MAC prefix followed by ';' and a shell payload. The partial sscanf() check passes, and the payload executes via system() as the camera's service account, granting arbitrary command execution and full device control. …
Remediation No vendor-released patch identified at time of analysis in the provided data, so remediation must rely on compensating controls. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Inventory all JAIOTlink C492A-W6 cameras running firmware 4.8.30.57701411; review access logs for suspicious activity on the NetSDK/Factory endpoint. …

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More in C492A W6 Wi Fi Ip Camera

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Default-credential authentication bypass in JAIOTlink C492A-W6 Wi-Fi IP cameras (firmware 4.8.30.57701411) lets attacker
CVE-2026-58454 HIGH POC
7.7 Jul 01

Authenticated remote code execution in JAIOTlink C492A-W6 Wi-Fi IP cameras (firmware 4.8.30.57701411) lets a logged-in a

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EUVD-2026-41048 vulnerability details – vuln.today
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