CVE-2021-31642: Chiyu-Tech Semac S2 Firmware vulnerability
Chiyu-Tech · Semac S2 Firmware
Vendor fix available · Affected: Chiyu-Tech Semac S2 Firmware · Exploitation: likely to be exploited (10% or more)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 98% of scored CVEs
Not scored yet. The CVE record carries no CVSS score.
DescriptionCVE.org
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.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Likely to be exploited (10% or more). EPSS gives it a 10% or higher chance of exploitation in the next 30 days.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Chiyu-Tech
- Published
- June 2021
CoverageNo articles yet
No CyberSIXT article names CVE-2021-31642 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CVE recordcve.org
- Weakness CWE-190cwe.mitre.org
- gitbook.seguranca-informatica.pt/cve-and-exploits/cves/chiyu-iotgitbook.seguranca-informatica.pt
- seguranca-informatica.pt/dancing-in-the-iot-chiyu-devices-vulnerseguranca-informatica.pt
- chiyu-tech.com/msg/message-Firmware-update-87.htmlchiyu-tech.com
- packetstormsecurity.com/files/162934/CHIYU-IoT-Denial-Of-Servicepacketstormsecurity.com