CVE-2022-47618
Merit Lilin Ent. Co., Ltd. AH55B04 & AH55B08 DVR - Hard-coded Credentials
- Published
- Updated
- Reserved
- Assigned by
- twcert
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.
Timeline
ID reserved
By twcert
- 14 days later
· 14 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| twcertCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.1% · top 34% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
Merit Lilin Ent. Co., Ltd. · AH55B04 DVR firmware
- affected unspecified – ≤ SVN#7570
Merit Lilin Ent. Co., Ltd. · AH55B08 DVR firmware
- affected unspecified – ≤ SVN#7570
What to do
Solution: Update Merit LILIN AH55B04 & AH55B08 DVR version to SVN#8044
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-47618)Record last updated .