CVE-2021-31642
Medium
Description
A denial of service condition exists after an integer overflow in several IoT devices from CHIYU Technology, including BIOSENSE, Webpass, and BF-630, BF-631, and SEMAC. The vulnerability can be explored by sending an unexpected integer (> 32 bits) on the page parameter that will crash the web portal and making it unavailable until a reboot of the device.
SeverityMedium
CVSS6.5
Exploit probability—
ProductChiyu-tech Semac S2 Firmware
PublishedJun 1, 2021
First seenJun 1, 2021
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| chiyu-tech semac_s2_firmware | No range specified | — |
| chiyu-tech semac_d1_firmware | No range specified | — |
| chiyu-tech semac_d2_firmware | No range specified | — |
| chiyu-tech semac_d4_firmware | No range specified | — |
| chiyu-tech semac_s3v3_firmware | No range specified | — |
| chiyu-tech semac_d2_n300_firmware | No range specified | — |
| chiyu-tech semac_s1_osdp_firmware | No range specified | — |
| chiyu-tech bf-631_firmware | No range specified | — |
| chiyu-tech bf-630_firmware | No range specified | — |
| chiyu-tech webpass_firmware | No range specified | — |
| chiyu-tech biosense_firmware | No range specified | — |
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