CVE-2025-6887

| EUVD-2025-19511 HIGH
2025-06-30 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
EUVD ID Assigned
Mar 16, 2026 - 01:25 euvd
EUVD-2025-19511
Analysis Generated
Mar 16, 2026 - 01:25 vuln.today
PoC Detected
Jul 01, 2025 - 16:42 vuln.today
Public exploit code
CVE Published
Jun 30, 2025 - 05:15 nvd
HIGH 8.8

Description

A vulnerability was found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this issue is some unknown functionality of the file /goform/SetSysTimeCfg. The manipulation of the argument time/timeZone leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Analysis

A vulnerability was found in Tenda AC5 15.03.06.47 and classified as critical. Affected by this issue is some unknown functionality of the file /goform/SetSysTimeCfg. The manipulation of the argument time/timeZone leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Technical Context

A buffer overflow occurs when data written to a buffer exceeds its allocated size, potentially overwriting adjacent memory and corrupting program state.

Affected Products

Affected products: Tenda Ac5 Firmware 15.03.06.47

Remediation

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

Priority Score

64
Low Medium High Critical
KEV: 0
EPSS: +0.4
CVSS: +44
POC: +20

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CVE-2025-6887 vulnerability details – vuln.today

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