How severe is CVE-2021-38466?

CVE-2021-38466 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2021-38466 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38466?

CVE-2021-38466 primarily affects Inhandnetworks Ir615 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-38466?

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-2021-38466 published?

CVE-2021-38466 was published on 2021-10-19 and last updated on 2026-06-17.

CVE-2021-38466

CVE-2021-38466 is a high-severity vulnerability in Inhandnetworks Ir615 Firmware with a CVSS 3.x base score of 8.8. 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-79.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 4.3
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Inhandnetworks Ir615 Firmware
Published: 2021-10-19
Last modified: 2026-06-17

Description

InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 do not perform sufficient input validation on client requests from the help page. This may allow an attacker to perform a reflected cross-site scripting attack, which could allow an attacker to run code on behalf of the client browser.

Frequently asked questions

What is CVE-2021-38466?: InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 do not perform sufficient input validation on client requests from the help page. This may allow an attacker to perform a reflected cross-site scripting attack, which could allow an attacker to run code on behalf of the client browser.
How severe is CVE-2021-38466?: CVE-2021-38466 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2021-38466 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38466?: CVE-2021-38466 primarily affects Inhandnetworks Ir615 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-38466?: 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-2021-38466 published?: CVE-2021-38466 was published on 2021-10-19 and last updated on 2026-06-17.

References

https://us-cert.cisa.gov/ics/advisories/icsa-21-280-05

Affected products (2)

cpe:2.3:o:inhandnetworks:ir615_firmware:2.3.0.r4724:*:*:*:*:*:*:*
cpe:2.3:o:inhandnetworks:ir615_firmware:2.3.0.r4870:*:*:*:*:*:*:*

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CVE-2026-38707 — Critical (CVSS 9.8): A command injection vulnerability exists in the IPSec VPN feature of InHand Networks IR302 firmware V3.5.108, IR305…
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