What is CVE-2021-36165?

CVE-2021-36165 is a medium-severity vulnerability in Riconmobile S9922l, classified under Cleartext Storage of Sensitive Information. CVSS score: 5.3/10. Published 2021-09-28.

How severe is CVE-2021-36165?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Riconmobile S9922l

CVE-2021-36165

RICON Industrial Cellular Router S9922L 16.10.3(3794) is affected by cleartext storage of sensitive information and sends username and password as base64.

Published 2021-09-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.5th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Riconmobile S9922l — versions 1.0
Riconmobile S9922l Firmware — versions 16.10.3(3794), 16.10.3\(3794\)

Weakness classification (CWE)

References

yunus-shn.medium.com/ricon-industrial-cellular-router-cleartext-credentials-e23… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2021-36165?: CVE-2021-36165 is a medium-severity vulnerability in Riconmobile S9922l, classified under Cleartext Storage of Sensitive Information. CVSS score: 5.3/10. Published 2021-09-28.
How severe is CVE-2021-36165?: Medium severity. CVSS v3 base score is 5.3 out of 10.