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Dahua Technology released a security advisory about two serious vulnerabilities in its IP cameras, after a report from the Bitdefender IoT Research Team. The vulnerabilities, CVE-2025-31700 and CVE-2025-31701, each have a CVSS score of 8.1 and are due to buffer overflow issues that can let remote attackers crash devices or run arbitrary code.
Malicious packets can exploit vulnerabilities in affected devices, potentially causing service disruptions or allowing remote code execution (RCE). Although Dahua claims some products have protections like Address Space Layout Randomization (ASLR) to lower exploitation risks, denial-of-service (DoS) attack threats are still substantial.
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Several popular camera series are affected by vulnerabilities, including IPC-1XXX, IPC-2XXX, IPC-WX, IPC-ECXX, and SD3A, SD2A, SD3D, SDT2A, and SD2C. Only firmware versions built before April 16, 2025, are at risk. Users can check their firmware build date by logging into the web interface and going to the system information section.
Dahua has released updated firmware to fix buffer overflow issues. Customers should visit the Dahua download center or contact local support to apply the patches. Devices updated after April 16, 2025, are no longer vulnerable.
“We strongly suggest, consistent with cybersecurity best practice, that all Dahua customers follow our security advisory… to ensure their systems are up-to-date and maximally protected,” the company said.
IP cameras are becoming common in security systems, highlighting the need for prompt patch management and responsible disclosures. Organizations using Dahua equipment must act quickly to reduce risks and keep their systems safe from exploitation.
