How severe is CVE-2021-36165?

CVE-2021-36165 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-36165 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-36165?

CVE-2021-36165 affects Riconmobile S9922l Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-36165?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-36165 published?

CVE-2021-36165 was published on 2021-09-28 and last updated on 2026-06-17.

CVE-2021-36165

CVE-2021-36165 is a medium-severity vulnerability in Riconmobile S9922l Firmware with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-312.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Riconmobile S9922l Firmware
Published: 2021-09-28
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is 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.
How severe is CVE-2021-36165?: CVE-2021-36165 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-36165 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-36165?: CVE-2021-36165 affects Riconmobile S9922l Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-36165?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-36165 published?: CVE-2021-36165 was published on 2021-09-28 and last updated on 2026-06-17.

References

https://yunus-shn.medium.com/ricon-industrial-cellular-router-cleartext-credentials-e236052415d

Affected products (1)

cpe:2.3:o:riconmobile:s9922l_firmware:16.10.3\(3794\):*:*:*:*:*:*:*

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