CVE-2025-25635

HIGH
2025-02-28 [email protected]
8.0
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:29 vuln.today
PoC Detected
Oct 02, 2025 - 01:40 vuln.today
Public exploit code
CVE Published
Feb 28, 2025 - 19:15 nvd
HIGH 8.0

Tags

Buffer Overflow A3002r Firmware TOTOLINK

Description

TOTOlink A3002R V1.1.1-B20200824.0128 contains a buffer overflow vulnerability. The vulnerability arises from the improper input validation of the pppoe_dns1 parameter in the formIpv6Setup interface of /bin/boa.

Analysis

TOTOlink A3002R V1.1.1-B20200824.0128 contains a buffer overflow vulnerability. Rated high severity (CVSS 8.0), this vulnerability is 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 V1.1.1-B20200824.0128 contains a buffer overflow vulnerability. The vulnerability arises from the improper input validation of the pppoe_dns1 parameter in the formIpv6Setup interface of /bin/boa. 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

60
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +40
POC: +20

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CVE-2025-25635 vulnerability details – vuln.today
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