MEDIUM

CVE-2021-31250

CVSS v3

5.4

MEDIUM

EPSS Score

79.6 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-31250 yet.

Full record on NVD

Description

Multiple storage XSS vulnerabilities were discovered on BF-430, BF-431 and BF-450M TCP/IP Converter devices from CHIYU Technology Inc due to a lack of sanitization of the input on the components man.cgi, if.cgi, dhcpc.cgi, ppp.cgi.

Technical details

Published: 2021-06-04

Frequently asked questions

What is CVE-2021-31250?

Is CVE-2021-31250 actively exploited?

Active exploitation of CVE-2021-31250 has not been confirmed. Its EPSS score was 79.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-31250?

CVE-2021-31250 has a CVSS v3 base score of 5.4 (MEDIUM severity).

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