How severe is CVE-2021-38478?

CVE-2021-38478 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-38478 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38478?

CVE-2021-38478 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-2021-38478?

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

When was CVE-2021-38478 published?

CVE-2021-38478 was published on 2021-10-19 and last updated on 2026-06-17.

CVE-2021-38478

CVE-2021-38478 is a critical-severity vulnerability in Inhandnetworks Ir615 Firmware with a CVSS 3.x base score of 9.1. 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 6.5
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
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 are vulnerable to an attacker using a traceroute tool to inject commands into the device. This may allow the attacker to remotely run commands on behalf of the device.

Frequently asked questions

What is CVE-2021-38478?: InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 are vulnerable to an attacker using a traceroute tool to inject commands into the device. This may allow the attacker to remotely run commands on behalf of the device.
How severe is CVE-2021-38478?: CVE-2021-38478 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-38478 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38478?: CVE-2021-38478 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-2021-38478?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-38478 published?: CVE-2021-38478 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:*:*:*:*:*:*:*

More vulnerabilities in Inhandnetworks Ir615 Firmware

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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CVE-2026-38703 — Critical (CVSS 9.8): A command injection vulnerability exists in the ZeroTier VPN feature of InHand Networks IR302 firmware V3.5.108, IR305…
CVE-2026-38702 — Critical (CVSS 9.8): A command injection vulnerability exists in the Admin Access feature of InHand Networks IR302 firmware V3.5.108, IR305…
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