CVSS 3.1
6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCVE-2021-31252
Medium (6.1) in chiyu-tech. EPSS 29% chance of exploitation in the next 30 days.
An open redirect vulnerability exists in BF-630, BF-450M, BF-430, BF-431, BF631-W, BF830-W, Webpass, and SEMAC devices from CHIYU Technology that can be exploited by sending a link that has a specially crafted URL to convince the user to click on it.
Severity
- EPSS
- 29% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
- CWE
- CWE-601
- Published
- Modified
- Record from
- the NVD, synced
Affected
- chiyu-tech:bf-430_firmware
- chiyu-tech:bf-431_firmware
- chiyu-tech:bf-450m_firmware
- chiyu-tech:bf-630_firmware
- chiyu-tech:bf-631w_firmware
- chiyu-tech:bf-830w_firmware
- chiyu-tech:semac_d1_firmware
- chiyu-tech:semac_d2_firmware
- chiyu-tech:semac_d2_n300_firmware
- chiyu-tech:semac_d4_firmware
- chiyu-tech:semac_s1_osdp_firmware
- chiyu-tech:semac_s2_firmware
- chiyu-tech:semac_s3v3_firmware
- chiyu-tech:webpass_firmware
References
- https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31252
- https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/
- https://www.chiyu-tech.com/msg/message-Firmware-update-87.html
- https://gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iot-devices#cve-2021-31252
- https://seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerable-to-remote-attacks/