What is CVE-2022-47618?

CVE-2022-47618 is a critical-severity vulnerability in Meritlilin Ah55b04, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-01-03.

How severe is CVE-2022-47618?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Meritlilin Ah55b04

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.

Published 2023-01-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (62.1th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 62.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Meritlilin Ah55b04
Meritlilin Ah55b04 Firmware
Meritlilin Ah55b08
Meritlilin Ah55b08 Firmware
Merit Lilin Ent. Co., Ltd. Ah55b04 Dvr Firmware — versions unspecified
Merit Lilin Ent. Co., Ltd. Ah55b08 Dvr Firmware — versions unspecified

Weakness classification (CWE)

CWE-798 — Use of Hard-coded Credentials

References

www.twcert.org.tw/tw/cp-132-6825-6691e-1.html (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2022-47618?: CVE-2022-47618 is a critical-severity vulnerability in Meritlilin Ah55b04, classified under Use of Hard-coded Credentials. CVSS score: 9.8/10. Published 2023-01-03.
How severe is CVE-2022-47618?: Critical severity. CVSS v3 base score is 9.8 out of 10.