CVE-2024-50692
CVE-2024-50692 is a medium-severity vulnerability in Sungrowpower Winet-s Firmware with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-798.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- EPSS exploit prediction: 0% (14th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-44591
- Weakness: CWE-798
- Affected product: Sungrowpower Winet-s Firmware
- Published:
- Last modified:
Description
SunGrow WiNet-SV200.001.00.P027 and earlier versions contains hardcoded MQTT credentials that allow an attacker to send arbitrary commands to an arbitrary inverter. It is also possible to impersonate the broker, because TLS is not used to identify the real MQTT broker. This means that MQTT communications are vulnerable to MitM attacks at the TCP/IP level.
Frequently asked questions
- What is CVE-2024-50692?
- SunGrow WiNet-SV200.001.00.P027 and earlier versions contains hardcoded MQTT credentials that allow an attacker to send arbitrary commands to an arbitrary inverter. It is also possible to impersonate the broker, because TLS is not used to identify the real MQTT broker. This means that MQTT communications are vulnerable to MitM attacks at the TCP/IP level.
- How severe is CVE-2024-50692?
- CVE-2024-50692 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2024-50692 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-50692?
- CVE-2024-50692 primarily affects Sungrowpower Winet-s Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-50692?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-50692 have an EU (EUVD) identifier?
- Yes. CVE-2024-50692 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-44591.
- When was CVE-2024-50692 published?
- CVE-2024-50692 was published on 2025-01-24 and last updated on 2026-06-17.
References
- https://en.sungrowpower.com/security-notice-detail-2/5961
- https://mqtt-pwn.readthedocs.io/en/latest/intro.html
Affected products (2)
- cpe:2.3:o:sungrowpower:winet-s_firmware:200.001.00.p027:*:*:*:*:*:*:*
- cpe:2.3:o:sungrowpower:winet-s_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Sungrowpower Winet-s Firmware
- CVE-2024-50698 — Critical (CVSS 9.8): SunGrow WiNet-SV200.001.00.P027 and earlier versions is vulnerable to heap-based buffer overflow due to bounds checks…
- CVE-2024-50695 — Critical (CVSS 9.8): SunGrow WiNet-SV200.001.00.P027 and earlier versions is vulnerable to stack-based buffer overflow when parsing MQTT…
- CVE-2024-50694 — Critical (CVSS 9.8): In SunGrow WiNet-SV200.001.00.P027 and earlier versions, when copying the timestamp read from an MQTT message, the…
- CVE-2024-50697 — High (CVSS 8.1): In SunGrow WiNet-SV200.001.00.P027 and earlier versions, when decrypting MQTT messages, the code that parses specific…
- CVE-2024-50696 — High (CVSS 7.5): SunGrow WiNet-S V200.001.00.P025 and earlier versions is missing integrity checks for firmware upgrades. Sending a…
- CVE-2024-50690 — Medium (CVSS 6.5): SunGrow WiNet-SV200.001.00.P027 and earlier versions contains a hardcoded password that can be used to decrypt all…
All CVEs affecting Sungrowpower Winet-s Firmware →
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