SunGrow WiNet-S up to 200.001.00.P025 MQTT Message integrity check

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.0$0-$5k0.00

Summaryinfo

A vulnerability was found in SunGrow WiNet-S up to 200.001.00.P025. It has been classified as critical. Affected by this vulnerability is an unknown functionality of the component MQTT Message Handler. This manipulation causes integrity check. This vulnerability is registered as CVE-2024-50696. No exploit is available.

Detailsinfo

A vulnerability has been found in SunGrow WiNet-S up to 200.001.00.P025 and classified as critical. Affected by this vulnerability is an unknown code block of the component MQTT Message Handler. The manipulation with an unknown input leads to a integrity check vulnerability. The CWE definition for the vulnerability is CWE-354. The product does not validate or incorrectly validates the integrity check values or "checksums" of a message. This may prevent it from detecting if the data has been modified or corrupted in transmission. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

SunGrow WiNet-S V200.001.00.P025 and earlier versions is missing integrity checks for firmware upgrades. Sending a specific MQTT message allows an update to an inverter or a WiNet connectivity dongle with a bogus firmware file that is located on attacker-controlled server.

It is possible to read the advisory at en.sungrowpower.com. This vulnerability is known as CVE-2024-50696 since 10/28/2024. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/01/2025).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-5292). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.0
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Integrity check
CWE: CWE-354 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/28/2024 🔍
02/27/2025 +122 days 🔍
02/27/2025 +0 days 🔍
06/01/2025 +94 days 🔍

Sourcesinfo

Advisory: en.sungrowpower.com
Status: Confirmed

CVE: CVE-2024-50696 (🔍)
GCVE (CVE): GCVE-0-2024-50696
GCVE (VulDB): GCVE-100-297715
EUVD: 🔍

Entryinfo

Created: 02/27/2025 07:59
Updated: 06/01/2025 09:46
Changes: 02/27/2025 07:59 (52), 03/05/2025 11:14 (1), 06/01/2025 09:46 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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