CVE-2025-45859

MEDIUM
2025-05-13 [email protected]
5.4
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:41 vuln.today
PoC Detected
Jun 16, 2025 - 18:25 vuln.today
Public exploit code
CVE Published
May 13, 2025 - 15:15 nvd
MEDIUM 5.4

Tags

Buffer Overflow A3002r Firmware TOTOLINK

Description

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the bandstr parameter in the formMapDelDevice interface.

Analysis

TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the bandstr parameter in the formMapDelDevice interface. Rated medium severity (CVSS 5.4), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. TOTOLINK A3002R v4.0.0-B20230531.1404 was discovered to contain a buffer overflow via the bandstr parameter in the formMapDelDevice interface. Affected products include: Totolink A3002R Firmware.

Affected Products

Totolink A3002R Firmware.

Remediation

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.

Priority Score

47
Low Medium High Critical
KEV: 0
EPSS: +0.2
CVSS: +27
POC: +20

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CVE-2025-45859 vulnerability details – vuln.today
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