How severe is CVE-2021-38462?

CVE-2021-38462 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-38462 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-38462?

CVE-2021-38462 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-2021-38462?

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-2021-38462 published?

CVE-2021-38462 was published on 2021-10-19 and last updated on 2026-06-17.

CVE-2021-38462

CVE-2021-38462 is a critical-severity vulnerability in Inhandnetworks Ir615 Firmware with a CVSS 3.x base score of 9.8. 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-521.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-521
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 does not enforce an efficient password policy. This may allow an attacker with obtained user credentials to enumerate passwords and impersonate other application users and perform operations on their behalf.

Frequently asked questions

What is CVE-2021-38462?: InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 does not enforce an efficient password policy. This may allow an attacker with obtained user credentials to enumerate passwords and impersonate other application users and perform operations on their behalf.
How severe is CVE-2021-38462?: CVE-2021-38462 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-38462 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-38462?: CVE-2021-38462 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-2021-38462?: 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-2021-38462 published?: CVE-2021-38462 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…
CVE-2026-38704 — Critical (CVSS 9.8): A command injection vulnerability exists in the WireGuard VPN feature of InHand Networks IR302 firmware V3.5.108, IR305…
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…
CVE-2021-38480 — Critical (CVSS 9.6): InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 are vulnerable to cross-site request forgery when…
CVE-2021-38484 — Critical (CVSS 9.1): InHand Networks IR615 Router's Versions 2.3.0.r4724 and 2.3.0.r4870 do not have a filter or signature check to detect…

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Other CWE-521 (Weak Password Requirements) vulnerabilities

CVE-2026-25715 — Critical (CVSS 9.8): The web management interface of the device allows the administrator username and password to be set to blank values.…
CVE-2025-53963 — Critical (CVSS 9.8): An issue was discovered on Thermo Fisher Ion Torrent OneTouch 2 INS1005527 devices. They run an SSH server accessible…
CVE-2025-63747 — Critical (CVSS 9.8): QaTraq 6.9.2 ships with administrative account credentials which are enabled in default installations and permit…
CVE-2025-12552 — Critical (CVSS 9.8): Insufficient Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
CVE-2025-11200 — Critical (CVSS 9.8): MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to…
CVE-2025-12364 — Critical (CVSS 9.8): Weak Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

Browse all CWE-521 (Weak Password Requirements) vulnerabilities →