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CVE-2021-35067

25
FAUCET Score

CVE-2021-35067 is a replay vulnerability affecting Meross MSG100 devices with firmware versions prior to 3.2.3, allowing an authenticated attacker to resend previously captured commands. This vulnerability carries a high CVSS score of 8.1, indicating a network-based attack with low complexity that could lead to high confidentiality and integrity impacts, such as unauthorized opening of a garage door. Despite its severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.2.3CPE matchmatch criteria
cpe:2.3:o:meross:msg100_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.1HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.91%
Probability of exploitation in next 30 days
EPSS Percentile
56.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0091 is in the 51st percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

infosec.rm-it.de / 2021/06/18/meross-smart-wi-fi-garage-door-opener-analysis
ExploitThird Party Advisory
infosec.rm-it.de
ExploitThird Party Advisory