A security vulnerability has been detected in JingDong JD Cloud Box AX6600 4.5.3.r4546. The impacted element is the function set_macfilter of the file /sbin/jdcweb_rpc. The manipulation leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Casky was already ahead
This CVE exploits attack patterns that Casky's 255matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.
CVE-2026-11413 is a stack-based buffer overflow vulnerability affecting JingDong JD Cloud Box AX6600 running firmware version 4.5.3.r4546. The flaw exists in the set_macfilter function of the /sbin/jdcweb_rpc binary, allowing unauthenticated remote attackers to overflow the stack and execute arbitrary code. Organizations deploying these network appliances as edge security or gateway devices face significant risk, as the vulnerability requires no authentication and has been publicly disclosed with exploits available. JD Cloud Box users, particularly those in enterprise environments relying on this hardware for network filtering and management, must prioritize patching immediately, as the vendor has not provided updates despite early disclosure notification.
Casky's 255 matched security skills enable practitioners to detect exploitation attempts by mapping attack behavior to MITRE ATT&CK techniques TA0002 (Execution) and TA0003 (Persistence). Claude AI's extended reasoning processes network telemetry and system logs to identify suspicious patterns: malformed HTTP requests to /sbin/jdcweb_rpc with oversized macfilter parameters, stack memory corruption signatures, unexpected process spawning following web service interactions, and persistence mechanisms like cron jobs or service modifications. Practitioners reviewing Casky findings would observe flagged sessions showing abnormal request sizes, memory access violations, and behavioral chains linking web exploitation to command execution—providing the visibility needed to detect active compromise before attackers establish foothold persistence.
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These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-11413.
Casky has 255 skills that investigate the attack patterns behind CVE-2026-11413. Run one and get CVSS-scored findings in 3 minutes.
Run the skill that detects this →analyzing-browser-forensics-with-hindsight
digital forensics · low
analyzing-cobalt-strike-beacon-configuration
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correlating-security-events-in-qradar
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deobfuscating-javascript-malware
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container security · low
detecting-dcsync-attack-in-active-directory
threat hunting · low
detecting-dll-sideloading-attacks
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detecting-email-forwarding-rules-attack
threat hunting · low
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detecting-fileless-attacks-on-endpoints
endpoint security · low
detecting-fileless-malware-techniques
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detecting-kerberoasting-attacks
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detecting-lateral-movement-with-splunk
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detecting-mimikatz-execution-patterns
threat hunting · low
detecting-ntlm-relay-with-event-correlation
threat hunting · low
detecting-pass-the-hash-attacks
threat hunting · low
detecting-privilege-escalation-attempts
threat hunting · low
detecting-privilege-escalation-in-kubernetes-pods
container security · low
detecting-process-hollowing-technique
threat hunting · low
detecting-process-injection-techniques
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threat hunting · low
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detecting-wmi-persistence
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red teaming · high
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red teaming · high
exploiting-nopac-cve-2021-42278-42287
red teaming · high
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exploiting-zerologon-vulnerability-cve-2020-1472
red teaming · high
extracting-browser-history-artifacts
digital forensics · low
extracting-config-from-agent-tesla-rat
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extracting-credentials-from-memory-dump
digital forensics · low
extracting-iocs-from-malware-samples
malware analysis · medium
extracting-windows-event-logs-artifacts
digital forensics · low
hardening-docker-containers-for-production
container security · low
hardening-docker-daemon-configuration
container security · low
hardening-linux-endpoint-with-cis-benchmark
endpoint security · low
hardening-windows-endpoint-with-cis-benchmark
endpoint security · low
hunting-for-anomalous-powershell-execution
threat hunting · low
hunting-for-beaconing-with-frequency-analysis
threat hunting · low
hunting-for-cobalt-strike-beacons
threat hunting · low
hunting-for-command-and-control-beaconing
threat hunting · low
hunting-for-data-exfiltration-indicators
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hunting-for-data-staging-before-exfiltration
threat hunting · low
hunting-for-dcom-lateral-movement
threat hunting · low
hunting-for-dcsync-attacks
threat hunting · low
hunting-for-defense-evasion-via-timestomping
threat hunting · low
hunting-for-dns-based-persistence
threat hunting · low
hunting-for-dns-tunneling-with-zeek
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hunting-for-domain-fronting-c2-traffic
threat hunting · low
hunting-for-lateral-movement-via-wmi
threat hunting · low
hunting-for-living-off-the-cloud-techniques
threat hunting · low
hunting-for-living-off-the-land-binaries
threat hunting · low
hunting-for-lolbins-execution-in-endpoint-logs
threat hunting · low
hunting-for-ntlm-relay-attacks
threat hunting · low
hunting-for-persistence-mechanisms-in-windows
threat hunting · low
hunting-for-persistence-via-wmi-subscriptions
threat hunting · low
hunting-for-process-injection-techniques
threat hunting · low
hunting-for-registry-persistence-mechanisms
threat hunting · low
hunting-for-registry-run-key-persistence
threat hunting · low
hunting-for-scheduled-task-persistence
threat hunting · low
hunting-for-shadow-copy-deletion
threat hunting · low
hunting-for-spearphishing-indicators
threat hunting · low
hunting-for-startup-folder-persistence
threat hunting · low
hunting-for-supply-chain-compromise
threat hunting · low
hunting-for-suspicious-scheduled-tasks
threat hunting · low
hunting-for-t1098-account-manipulation
threat hunting · low
hunting-for-unusual-network-connections
threat hunting · low
hunting-for-unusual-service-installations
threat hunting · low
hunting-for-webshell-activity
threat hunting · low
implementing-alert-fatigue-reduction
soc operations · low
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implementing-disk-encryption-with-bitlocker
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implementing-endpoint-dlp-controls
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implementing-file-integrity-monitoring-with-aide
endpoint security · low
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implementing-kubernetes-pod-security-standards
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implementing-memory-protection-with-dep-aslr
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implementing-mitre-attack-coverage-mapping
soc operations · low
implementing-network-policies-for-kubernetes
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implementing-opa-gatekeeper-for-policy-enforcement
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implementing-pod-security-admission-controller
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implementing-rbac-hardening-for-kubernetes
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implementing-runtime-security-with-tetragon
container security · low
implementing-siem-use-cases-for-detection
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implementing-soar-automation-with-phantom
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implementing-soar-playbook-with-palo-alto-xsoar
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implementing-supply-chain-security-with-in-toto
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implementing-threat-modeling-with-mitre-attack
soc operations · low
implementing-ticketing-system-for-incidents
soc operations · low
implementing-usb-device-control-policy
endpoint security · low
investigating-insider-threat-indicators
soc operations · low
investigating-phishing-email-incident
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investigating-ransomware-attack-artifacts
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performing-active-directory-bloodhound-analysis
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performing-container-security-scanning-with-trivy
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performing-credential-access-with-lazagne
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soc operations · low
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container security · low
performing-dynamic-analysis-with-any-run
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performing-endpoint-forensics-investigation
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performing-kerberoasting-attack
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performing-kubernetes-cis-benchmark-with-kube-bench
container security · low
performing-kubernetes-etcd-security-assessment
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performing-kubernetes-penetration-testing
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performing-lateral-movement-detection
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performing-lateral-movement-with-wmiexec
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performing-malware-persistence-investigation
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performing-malware-triage-with-yara
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performing-memory-forensics-with-volatility3
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performing-network-forensics-with-wireshark
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recovering-deleted-files-with-photorec
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reverse-engineering-malware-with-ghidra
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scanning-container-images-with-grype
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securing-helm-chart-deployments
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triaging-security-alerts-in-splunk
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