MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Broken Authentication

published 2021-04-28 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-17103

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 2.4%; EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits: 0; none known

The manage users profile services of the network camera device allows an authenticated. Remote attackers can modify URL parameters and further amend user’s information and escalate privileges to control the devices.

Patch / fix

fixed in 20

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

2.44% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/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-522 Insufficiently Protected Credentials
CWE-306 Missing Authentication for Critical Functionality

References

meritlilin.com /assets/uploads/support/file/M00166-TW.pdf
vendor-advisory
twcert.org.tw /tw/cp-132-4676-391a5-1.html
not-applicable
gist.github.com /keniver/86ebef688fb274b534da51ef1a84dd3e
third-party-advisory
chtsecurity.com /news/0b733a38-e616-4ff3-86a6-13e710643388
third-party-advisory

Sources

CVE List CVE-2021-30167
NVD CVE-2021-30167

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.

Summary