CVE-2021-30166 json
MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Command Injection
published 2021-04-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17102
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.8%
- EPSS 3.8% chance of exploitation in 30 days, percentile 90%
- public exploits
- 0
- none known
Summary
The NTP Server configuration function of the IP camera device is not verified with special parameters. Remote attackers can perform a command Injection attack and execute arbitrary commands after logging in with the privileged permission.
Patch / fix
- meritlilin p2r8852e2_firmware 7.1.94.8908
- meritlilin p2r8852e4_firmware 7.1.94.8908
- meritlilin p2r6852e2_firmware 7.1.94.8908
- meritlilin p2r6852e4_firmware 7.1.94.8908
- meritlilin p2r6552e2_firmware 7.1.94.8908
- meritlilin p2r6552e4_firmware 7.1.94.8908
- meritlilin p2r6352ae2_firmware 7.1.94.8908
- meritlilin p2r6352ae4_firmware 7.1.94.8908
- meritlilin p2r3052ae2_firmware 7.1.94.8908
- meritlilin p2g1052_firmware 7.1.94.8908
- meritlilin p2r8822e2_firmware 7.1.94.8908
- meritlilin p2r8822e4_firmware 7.1.94.8908
- meritlilin p2r6822e2_firmware 7.1.94.8908
- meritlilin p2r6822e4_firmware 7.1.94.8908
- meritlilin p2r6522e2_firmware 7.1.94.8908
- meritlilin p2r6522e4_firmware 7.1.94.8908
- meritlilin p2r6322ae2_firmware 7.1.94.8908
- meritlilin p2r6322ae4_firmware 7.1.94.8908
- meritlilin p2r3022ae2_firmware 7.1.94.8908
- meritlilin p2g1022_firmware 7.1.94.8908
Exploit prediction
3.79% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
Affected products
- MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera firmware
Classification
- Weakness
-
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
-
meritlilin.com
/assets/uploads/support/file/M00166-TW.pdf
vendor-advisory
-
twcert.org.tw
/tw/cp-132-4676-391a5-1.html
third-party-advisory
-
gist.github.com
/keniver/86ebef688fb274b534da51ef1a84dd3e
third-party-advisory
-
chtsecurity.com
/news/0b733a38-e616-4ff3-86a6-13e710643388
third-party-advisory
Sources
- CVE List CVE-2021-30166
- NVD CVE-2021-30166
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.