What is the CVSS score of EUVD-2025-19883?

EUVD-2025-19883 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.1%.

Which versions of Ac6 Firmware are affected by EUVD-2025-19883?

Organizations using Tenda AC6 v15.03.05.16_multi face notable risk from CVE-2025-50260, a stack-based buffer overflow vulnerability rated CVSS 7.5.

Is there a public PoC exploit available for EUVD-2025-19883?

Yes, a public proof-of-concept exploit is available for EUVD-2025-19883. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate EUVD-2025-19883?

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-2025-19883

| CVE-2025-50260 HIGH

Stack-based Buffer Overflow (CWE-121)

2025-07-03 cve@mitre.org

Buffer Overflow Stack Overflow Ac6 Firmware Tenda

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Mar 16, 2026 - 02:12 euvd

EUVD-2025-19883

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 7.5

DescriptionCVE.org

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

Analysis

Tenda AC6 v15.03.05.16_multi is vulnerable to Buffer Overflow in the formSetFirewallCfg function via the firewallEn 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 Stack-based Buffer Overflow (CWE-121).