How severe is CVE-2021-30168?

CVE-2021-30168 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-2021-30168 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-30168?

CVE-2021-30168 primarily affects Meritlilin P2r8852e2 Firmware. In total, 41 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-30168?

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-2021-30168 published?

CVE-2021-30168 was published on 2021-04-28 and last updated on 2026-06-17.

CVE-2021-30168

CVE-2021-30168 is a critical-severity vulnerability in Meritlilin P2r8852e2 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-522.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Meritlilin P2r8852e2 Firmware
Published: 2021-04-28
Last modified: 2026-06-17

Description

The sensitive information of webcam device is not properly protected. Remote attackers can unauthentically grant administrator’s credential and further control the devices.

Frequently asked questions

What is CVE-2021-30168?: The sensitive information of webcam device is not properly protected. Remote attackers can unauthentically grant administrator’s credential and further control the devices.
How severe is CVE-2021-30168?: CVE-2021-30168 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-2021-30168 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-30168?: CVE-2021-30168 primarily affects Meritlilin P2r8852e2 Firmware. In total, 41 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-30168?: 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-2021-30168 published?: CVE-2021-30168 was published on 2021-04-28 and last updated on 2026-06-17.

References

Affected products (41)

cpe:2.3:o:meritlilin:p2r8852e2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r8852e4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6852e2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6852e4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6552e2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6552e4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6352ae2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6352ae4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r3052ae2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2g1052_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r8822e2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r8822e4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6822e2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6822e4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6522e2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6522e4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6322ae2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r6322ae4_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2r3022ae2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2g1022_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p2g1022x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r8852ax_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r8152x-p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r8152x2-p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r8052ex25_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r6552x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r6452ax_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r6452ax-p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r8822ax_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r8122x-p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r8122x2-p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r8022ex25_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r6522x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r6422ax_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z2r6422ax-p_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p3r6322e2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p3r6522e2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:p3r8822e2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z3r6422x3_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:z3r6522x_firmware:*:*:*:*:*:*:*:*

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