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CVE-2021-46416

41
FAUCET Score

CVE-2021-46416 is an Insecure Direct Object Reference (IDOR) vulnerability affecting SUNNY TRIPOWER 5.0 Firmware version 3.10.16.R, stemming from insecure cookie handling. This flaw allows unauthorized user groups to gain access to sensitive information. With a CVSS score of 8.1 (High), the vulnerability is easily exploitable over the network with low complexity, requiring only low privileges to achieve high confidentiality and integrity impacts. While not currently on CISA's KEV catalog, a public exploit (EDB-50860) exists, though there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
3.10.16.rCPE matchmatch criteria
cpe:2.3:o:sma:sunny_tripower_firmware:3.10.16.r:*:*:*:*:*:*:*

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
4.23%
Probability of exploitation in next 30 days
EPSS Percentile
90.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-50860 · Apr 11, 2022
This CVE's current EPSS score of 0.0423 is in the 89th percentile among its peer group of 17,829 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

packetstormsecurity.com / files/166670/SAM-SUNNY-TRIPOWER-5.0-Insecure-Direct-Object-Reference.html
ExploitThird Party AdvisoryVDB Entry
drive.google.com / drive/folders/1BPULhDC_g__seH_VnQlVtkrKdOLkXdzV
ExploitThird Party Advisory
sma.de / en/products/solarinverters/sunny-tripower-30-40-50-60.html
ProductVendor Advisory