What is the CVSS score of EUVD-2025-19881?

EUVD-2025-19881 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

Which versions of Ac6 Firmware are affected by EUVD-2025-19881?

Organizations using Tenda AC6 v15.03.05.16_multi face notable risk from CVE-2025-50263, a buffer overflow vulnerability rated CVSS 8.1.

Is there a public PoC exploit available for EUVD-2025-19881?

Yes, a public proof-of-concept exploit is available for EUVD-2025-19881. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate EUVD-2025-19881?

Within 7 days: Identify all affected systems and apply vendor patches promptly. If patching is delayed, consider network segmentation to limit exposure.

Ac6 Firmware EUVD-2025-19881

| CVE-2025-50263 HIGH

Classic Buffer Overflow (CWE-120)

2025-07-03 cve@mitre.org

Buffer Overflow Ac6 Firmware Tenda

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Mar 16, 2026 - 02:12 euvd

EUVD-2025-19881

Analysis Generated

Mar 16, 2026 - 02:12 vuln.today

PoC Detected

Jul 07, 2025 - 14:40 vuln.today

Public exploit code

CVE Published

Jul 03, 2025 - 14:15 nvd

HIGH 8.1

DescriptionCVE.org

Tenda AC6 v15.03.05.16_multi is vulnerable to Buffer Overflow in the fromSetRouteStatic function via the list parameter.

Analysis

Tenda AC6 v15.03.05.16_multi is vulnerable to Buffer Overflow in the fromSetRouteStatic function via the list parameter.

Technical ContextAI

A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state. This vulnerability is classified as Classic Buffer Overflow (CWE-120).

RemediationAI

Use memory-safe languages or bounds-checked functions. Enable ASLR, DEP/NX, and stack canaries. Apply vendor patches promptly.

EUVD-2025-19881 vulnerability details – vuln.today

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Ac6 Firmware EUVD-2025-19881

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

Analysis

Technical ContextAI

RemediationAI

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External POC / Exploit Code