How to fix CVE-2025-25523?

Within 30 days: Identify affected systems running Trendnet TEG-40128 Web Smart Switch and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Is Teg 40128 Firmware affected by CVE-2025-25523?

Organizations using Trendnet TEG-40128 Web Smart Switch should be aware of moderate risk from CVE-2025-25523, a buffer overflow vulnerability rated CVSS 5.9. Exploitation could cause memory corruption or application crashes.

CVE-2025-25523

MEDIUM

2025-02-11 [email protected]

Buffer Overflow Teg 40128 Firmware

5.9

CVSS 3.1

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 18:26 vuln.today

CVE Published

Feb 11, 2025 - 19:15 nvd

MEDIUM 5.9

DescriptionNVD

Buffer overflow vulnerability in Trendnet TEG-40128 Web Smart Switch v1(1.00.023) due to the lack of length verification, which is related to the mobile access point setup operation. The attacker can directly control the remote target device by successfully exploiting this vulnerability.

AnalysisAI

Buffer overflow vulnerability in Trendnet TEG-40128 Web Smart Switch v1(1.00.023) due to the lack of length verification, which is related to the mobile access point setup operation. Rated medium severity (CVSS 5.9), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Buffer overflow vulnerability in Trendnet TEG-40128 Web Smart Switch v1(1.00.023) due to the lack of length verification, which is related to the mobile access point setup operation. The attacker can directly control the remote target device by successfully exploiting this vulnerability. Affected products include: Trendnet Teg-40128 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

CVE-2025-25523 vulnerability details – vuln.today

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