Key Information Release Date June 26, 2025 Title Important Notice for Customers Using Network Recorders and AHD Recorders Affected Products and Versions XRN-1470/TE Firmware Version Ver2.47U, 220-L19153805 and earlier XRN-810SH/TE Firmware Version Ver2.47U, 220-L19153805 and earlier XRN-1610ST/TE Firmware Version Ver2.47U, 21051623-52F and earlier PRN-401H/TE Firmware Version Ver2.51p, 23120080-175 and earlier HRX-425FT/TE Firmware Version Ver5.31.32 and earlier HRX-821T/SA Firmware Version Ver5.05.62b and earlier HRX-1021/TF Firmware Version Ver5.05.62b and earlier HRX-435FT/TE Firmware Version Ver5.31.32b and earlier HRX-835FT/TE Firmware Version Ver5.31.32b and earlier HRX-1835/TF Firmware Version Ver5.31.72b and earlier HRX-4255FN/TE Firmware Version Ver5.31.32 and earlier HRX-4265/TE Firmware Version Ver5.31.12 and earlier HRX-8265/TE Firmware Version Ver5.31.12 and earlier HRX-1620ST/TE Firmware Version Ver5.34.12 and earlier HRX-3210R/TE Firmware Version Ver5.34.12 and earlier HRX-6410R/TE Firmware Version Ver5.34.12 and earlier HRX-64DDR/TE Firmware Version Ver5.34.12 and earlier Vulnerability Description If the affected products are attacked by malicious external parties exploiting this vulnerability, the device functionality may be disrupted, or arbitrary OS commands or malicious code may be executed. Mitigation Measures Customers using the affected products are requested to take the following actions. We recommend setting a password for the affected products via a web browser. This measure will reduce the risk of exploitation of the vulnerability. Additionally, users who remotely access the device via a browser must also change their login passwords. Although no exploitation of this vulnerability has been confirmed at this time, to ensure security, please download the firmware for the affected products from the link below and update your devices accordingly. Contact Information Click here for product numbers for "Secom Co., Ltd.". "Product Inquiry Form" Notes If you are using the affected products and have any questions regarding this issue, please contact the support center listed below.