How severe is CVE-2022-21236?

CVE-2022-21236 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2022-21236 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-21236?

CVE-2022-21236 affects Reolink Rlc-410w Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-21236?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-21236 published?

CVE-2022-21236 was published on 2022-01-28 and last updated on 2026-06-17.

CVE-2022-21236

CVE-2022-21236 is a high-severity vulnerability in Reolink Rlc-410w Firmware with a CVSS 3.x base score of 7.5. 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-552.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-552
Affected product: Reolink Rlc-410w Firmware
Published: 2022-01-28
Last modified: 2026-06-17

Description

An information disclosure vulnerability exists due to a web server misconfiguration in the Reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to a disclosure of sensitive information. An attacker can send an HTTP request to trigger this vulnerability.

Frequently asked questions

What is CVE-2022-21236?: An information disclosure vulnerability exists due to a web server misconfiguration in the Reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to a disclosure of sensitive information. An attacker can send an HTTP request to trigger this vulnerability.
How severe is CVE-2022-21236?: CVE-2022-21236 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2022-21236 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-21236?: CVE-2022-21236 affects Reolink Rlc-410w Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-21236?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-21236 published?: CVE-2022-21236 was published on 2022-01-28 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1446

Affected products (1)

cpe:2.3:o:reolink:rlc-410w_firmware:3.0.0.136_20121102:*:*:*:*:*:*:*

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