CVE-2024-50695: SunGrow WiNet-SV200.001.00.P027 and earlier versions is vulnerable to stack-based buffer overflow when parsing

Q: How do I fix CVE-2024-50695?

winet-s firmware: upgrade to 200.001.00.p027. Exact commands for each OS are on this page.

Q: Is CVE-2024-50695 being exploited?

CVE-2024-50695 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2024-50695 affect?

CVE-2024-50695 affects winet-s firmware. Severity is critical (CVSS 9.8). SunGrow WiNet-SV200.001.00.P027 and earlier versions is vulnerable to stack-based buffer overflow when parsing MQTT messages, due to missing MQTT topic bounds checks.

Q: How urgent is CVE-2024-50695?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2024-50695 is a critical-severity flaw (CVSS 9.8) affecting winet-s firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SunGrow WiNet-SV200.001.00.P027 and earlier versions is vulnerable to stack-based buffer overflow when parsing MQTT messages, due to missing MQTT topic bounds checks.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-121
Published	2025-01-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sungrowpower

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-01-24 23:15 UTCPublished CVE record published
2026-06-17 08:04 UTCUpdated Record last modified

sungrowpower winet-s firmware UPGRADE

Affected: < 200.001.00.p027

Fixed in: 200.001.00.p027

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2024-50695?

winet-s firmware: upgrade to 200.001.00.p027. Exact commands for each OS are on this page.

Is CVE-2024-50695 being exploited?

CVE-2024-50695 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2024-50695 affect?

CVE-2024-50695 affects winet-s firmware. Severity is critical (CVSS 9.8). SunGrow WiNet-SV200.001.00.P027 and earlier versions is vulnerable to stack-based buffer overflow when parsing MQTT messages, due to missing MQTT topic bounds checks.

How urgent is CVE-2024-50695?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-50698 CRITICAL 9.8 UPGRADE SunGrow WiNet-SV200.001.00.P027 and earlier versions is vulnerable to heap-based buffer overflow due to bounds
CVE-2024-50697 HIGH 8.1 UPGRADE In SunGrow WiNet-SV200.001.00.P027 and earlier versions, when decrypting MQTT messages, the code that parses s
CVE-2024-50696 HIGH 7.5 UPGRADE SunGrow WiNet-S V200.001.00.P025 and earlier versions is missing integrity checks for firmware upgrades
CVE-2024-50694 CRITICAL 9.8 UPGRADE In SunGrow WiNet-SV200.001.00.P027 and earlier versions, when copying the timestamp read from an MQTT message,
CVE-2024-50692 MEDIUM 5.4 UPGRADE SunGrow WiNet-SV200.001.00.P027 and earlier versions contains hardcoded MQTT credentials that allow an attacke

References

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