How severe is CVE-2022-47618?

CVE-2022-47618 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-2022-47618 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-47618?

CVE-2022-47618 primarily affects Meritlilin Ah55b08 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-2022-47618?

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-2022-47618 published?

CVE-2022-47618 was published on 2023-01-03 and last updated on 2026-06-17.

CVE-2022-47618

CVE-2022-47618 is a critical-severity vulnerability in Meritlilin Ah55b08 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Meritlilin Ah55b08 Firmware
Published: 2023-01-03
Last modified: 2026-06-17

Description

Merit LILIN AH55B04 & AH55B08 DVR firm has hard-coded administrator credentials. An unauthenticated remote attacker can use these credentials to log in administrator page, to manipulate system or disrupt service.

Frequently asked questions

What is CVE-2022-47618?: Merit LILIN AH55B04 & AH55B08 DVR firm has hard-coded administrator credentials. An unauthenticated remote attacker can use these credentials to log in administrator page, to manipulate system or disrupt service.
How severe is CVE-2022-47618?: CVE-2022-47618 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-2022-47618 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-47618?: CVE-2022-47618 primarily affects Meritlilin Ah55b08 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-2022-47618?: 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-2022-47618 published?: CVE-2022-47618 was published on 2023-01-03 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-6825-6691e-1.html

Affected products (2)

cpe:2.3:o:meritlilin:ah55b08_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:meritlilin:ah55b04_firmware:-:*:*:*:*:*:*:*

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