D-Link DCS-825L Camera CVE-2025-5581 Persistent Root via Missing Integrity Check

Critical Vulnerability Information Vulnerability Overview CVE ID: CVE-2025-5581 Vendor: D-Link Systems Inc. Product: D-Link DCS-825L Wi-Fi Baby Camera (v1.00.A01 and possibly earlier versions) Firmware SHA-256: 3f274e9c4b5d5a55555555555555555555555555555555555555555555555555 Impact: Persistent Root-level Code Execution Severity: High Status: Public Vulnerability Details Vulnerable Script: Monitored Binaries: and Issue: No integrity check, signature verification, or permission validation performed before execution. Attack Type: Local / Firmware Modification CWE ID: - CWE-286: Missing Authentication for Critical Function - CWE-200: Exposure of Private Information - CWE-840: Business Logic Error Attack Vector Attacker Requirements: - Local access (physical USB connection) OR - Capability to modify firmware (e.g., reverse-engineering update process) Exploitation Method: - Inject malicious payload into or - Achieve persistent root-level control, surviving reboots. Impact Persistent Compromise: Device remains compromised even after factory reset or power cycle. Botnet Risk: Vulnerable devices may be recruited into botnets. Privacy Breach: Camera may be covertly used for surveillance. Vendor Response June 20, 2025: Vulnerability reported to D-Link PSIRT. June 23, 2025: Vendor confirmed the issue and stated the device is End-of-Life (EOL), with no further patches planned. June 24, 2025: Security advisory SA#20421 published. Recommended Actions For Users: - Immediately disconnect or replace unsupported DCS-825L devices. - Avoid using EOL D-Link devices in production or sensitive environments. For Vendors: - Implement integrity and signature checks for critical binaries. - Deploy secure boot mechanisms based on hardware and code signing.

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D-Link DCS-825L Camera CVE-2025-5581 Persistent Root via Missing Integrity Check