PT-2025-2887 · Sungrow · Sungrow Winet-Sv200

Published 2025-01-24 · Updated 2025-01-25 · CVE-2024-50697

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions SunGrow WiNet-SV200 versions 0.001.00.P027 and earlier

Description The issue arises when decrypting MQTT messages, specifically due to insufficient bounds checks in the code that parses certain TLV fields. This may lead to a stack-based buffer overflow.

Recommendations For SunGrow WiNet-SV200 versions 0.001.00.P027 and earlier, consider disabling the decryption of MQTT messages until a patch is available. Restrict access to the TLV field parsing functionality to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2024-50697

Affected Products

Sungrow Winet-Sv200

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2024-50697 · Security Note
• https://osv.dev/vulnerability/CVE-2024-50697 · Vendor Advisory
• https://en.sungrowpower.com/security-notice-detail-2/5961 · Vendor Advisory
• https://t.me/cvenotify/108586 · Telegram Post
• https://t.me/cvedetector/16350 · Telegram Post
• https://twitter.com/CVEnew/status/1882994420464935033 · Twitter Post