How severe is CVE-2022-28373?

CVE-2022-28373 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-2022-28373 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-28373?

CVE-2022-28373 affects Verizon Lvskihp Indoorunit Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-28373?

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-2022-28373 published?

CVE-2022-28373 was published on 2022-07-14 and last updated on 2026-06-17.

CVE-2022-28373

CVE-2022-28373 is a critical-severity vulnerability in Verizon Lvskihp Indoorunit 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Verizon Lvskihp Indoorunit Firmware
Published: 2022-07-14
Last modified: 2026-06-17

Description

Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 does not properly sanitize user-controlled parameters within the crtcreadpartition function of the crtcrpc JSON listener in /usr/lib/lua/luci/crtc.lua. A remote attacker on the local network can inject shell metacharacters to achieve remote code execution as root.

Frequently asked questions

What is CVE-2022-28373?: Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 does not properly sanitize user-controlled parameters within the crtcreadpartition function of the crtcrpc JSON listener in /usr/lib/lua/luci/crtc.lua. A remote attacker on the local network can inject shell metacharacters to achieve remote code execution as root.
How severe is CVE-2022-28373?: CVE-2022-28373 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-2022-28373 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-28373?: CVE-2022-28373 affects Verizon Lvskihp Indoorunit Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-28373?: 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-2022-28373 published?: CVE-2022-28373 was published on 2022-07-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:verizon:lvskihp_indoorunit_firmware:3.4.66.162:*:*:*:*:*:*:*

More vulnerabilities in Verizon Lvskihp Indoorunit Firmware

CVE-2022-28369 — Critical (CVSS 9.8): Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 does not validate the user-provided URL within the crtcmode…
CVE-2022-28377 — High (CVSS 7.5): On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and ODU RPC…
CVE-2022-28372 — High (CVSS 7.5): On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and ODU RPC…
CVE-2022-28371 — High (CVSS 7.5): On Verizon 5G Home LVSKIHP InDoorUnit (IDU) 3.4.66.162 and OutDoorUnit (ODU) 3.33.101.0 devices, the CRTC and ODU RPC…

All CVEs affecting Verizon Lvskihp Indoorunit Firmware →

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