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TI-2021-21218 Aliases CVE-2021-46416GHSA-468h-qqc5-v34c

Insecure direct object reference in SUNNY TRIPOWER 5.0 Firmware version 3.10.16.R leads…

Priority HIGH 68CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-639.

Summary

Insecure direct object reference in SUNNY TRIPOWER 5.0 Firmware version 3.10.16.R leads to unauthorized user groups accessing due to insecure cookie handling.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.04262 91st percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:sma:sunny_tripower_firmware:3.10.16.r:*:*:*:*:*:*:*3.10.16.rVulnerableSMA
cpe:2.3:h:sma:sunny_tripower:5.0:*:*:*:*:*:*:*5.0Running onSMA
  • cpe:2.3:o:sma:sunny_tripower_firmware:3.10.16.r:*:*:*:*:*:*:* Versions 3.10.16.r Vulnerable ·SMA
  • cpe:2.3:h:sma:sunny_tripower:5.0:*:*:*:*:*:*:* Versions 5.0 Running on ·SMA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-46416
  2. 2026-10-03 Alias added: GHSA-468h-qqc5-v34c

References

Exploit 2

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences