【Security Advisory】A buffer overflow vulnerability exists in the EYE-SV600(SGSA-202606-0012
Publish Date: 20261111
Advisory ID: SGSA-202606-0012
Product: EYE-SV600 (EyeM4)
CVE ID: CVE-2026-80309
Severity: Medium
Date: 2026-11-11
PV Inverter
Energy Storage System
EV Charger
Floating PV System
Wind Products
Hydrogen Equipment
Smart Energy Products
Description
The EYE-SV600 (EyeM4 logger) does not validate the length of a field when parsing attacker-supplied XML input before copying it into a fixed-size buffer, With
corresponding user privileges obtained,allowing an attacker to reliably crash the service (denial of service) and, depending on exploitation, potentially gain control of program execution.
Affected Versions
Vulnerable: All versions prior to EYE-SV600.002.00.P033B001.
Not Affected: EYE-SV600.002.00.P033B001 and later versions are not affected.
Vulnerability Rating
CVSS（4.0）：6.9/Medium/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
The scoring is based on the CVSS 4.0 standard. The scoring criteria can be referenced at
(https://www.first.org/cvss/calculator/4.0)
Mitigation and Remediation
Recommended Action: The vulnerability was remediated on September 30, 2026. Affected customers are advised to upgrade their devices to EYE-SV600.002.00.P033B001 or later as soon as possible.
Patch Release: The fix is included in EYE-SV600.002.00.P033B001 and later versions.
Temporary Fix: N/A.
Acknowledgments
This vulnerability was discovered and reported by DIVD.
Contact information
For security issues regarding Sungrow products and solutions, please report to Sungrow psirt@sungrowpower.com.
Revision History
Version | Date | Description |
V1.0 | 2026-11-11 | Initial release |
Statement
All software updates, patches, and documentation provided by Sungrow Power Supply Co., Ltd. are the proprietary work of Sungrow. These materials may only be used for product maintenance and security improvements. Any unauthorized modification, distribution, decompilation, or reverse engineering is strictly prohibited.
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Sungrow reserves the right to update or modify this document at any time without prior notice. Customers are responsible for implementing security updates in a timely manner to protect their systems.