PatchSiren

PatchSiren cyber security CVE debrief

CVE-2024-50698 Sungrow CVE debrief

CVE-2024-50698 affects Sungrow iSolarCloud Android App and WiNet Firmware. CISA describes a heap-based buffer overflow in MQTT message content bounds checks that may allow an attacker to remotely execute arbitrary code. Sungrow reports fixed firmware is available and the iSolarCloud Android App has been repaired.

Vendor
Sungrow
Product
iSolarCloud Android App
CVSS
HIGH 8.1
CISA KEV
Not listed in stored evidence
Original CVE published
2025-03-13
Original CVE updated
2025-03-13
Advisory published
2025-03-13
Advisory updated
2025-03-13

Who should care

Organizations and individuals operating Sungrow iSolarCloud Android App versions <=2.1.6 or Sungrow WiNet Firmware in affected deployments should review this advisory. This is especially important for asset owners and administrators responsible for connected solar or industrial monitoring environments.

Technical summary

The advisory states that the affected products are vulnerable to a heap-based buffer overflow caused by insufficient bounds checks on MQTT message content. The impacted products are Sungrow iSolarCloud Android App <=2.1.6 and Sungrow WiNet Firmware (all versions). The stated impact is potential remote code execution.

Defensive priority

High. Prioritize remediation for all affected Sungrow iSolarCloud Android App and WiNet Firmware deployments, using vendor-provided updates as soon as practical.

Recommended defensive actions

  • Update Sungrow WiNet Firmware to WINET-SV200.001.00.P028 or higher.
  • Update the iSolarCloud Android App to the latest version via the device app store.
  • Verify which Sungrow devices and app installations are in scope for the affected versions.
  • Follow Sungrow's security notice for product-specific guidance and any additional mitigation steps.
  • If immediate patching is not possible, increase monitoring of affected systems and limit exposure according to your ICS security practices.

Evidence notes

Primary evidence comes from the CISA CSAF advisory ICSA-25-072-12 and its embedded product/remediation data. The advisory identifies the affected products, the vulnerability type, the potential remote code execution impact, and the fixed firmware version. CVE and advisory timing are taken from the supplied publishedAt/modifiedAt fields, both set to 2025-03-13T06:00:00.000Z. The source corpus does not list the CVE in KEV.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-50698 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-50698

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2024-50698 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-50698

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2025/icsa-25-072-12.json

    cisa_csaf

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/news-events/ics-advisories/icsa-25-072-12

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/resources-tools/resources/ics-recommended-practices

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/topics/industrial-control-systems

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf

    Reference

  • Source reference

    Unverified legacy reference

    URL: https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B

    Reference

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.