CVE-2025-4733

HIGH
2025-05-16 [email protected]
8.7
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
Analysis Generated
Mar 28, 2026 - 18:42 vuln.today
CVE Published
May 16, 2025 - 01:15 nvd
HIGH 8.7

Description

A vulnerability, which was classified as critical, has been found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. This issue affects some unknown processing of the file /boafrm/formIpQoS of the component HTTP POST Request Handler. The manipulation of the argument mac leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Analysis

A vulnerability, which was classified as critical, has been found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical Context

This vulnerability is classified as Buffer Overflow (CWE-119), which allows attackers to corrupt memory to execute arbitrary code or crash the application. A vulnerability, which was classified as critical, has been found in TOTOLINK A3002R and A3002RU 3.0.0-B20230809.1615. The manipulation of the argument mac leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Affected products include: Totolink A3002R Firmware, Totolink A3002Ru Firmware.

Affected Products

Totolink A3002R Firmware, Totolink A3002Ru Firmware.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use memory-safe languages or bounds-checking. Enable ASLR, DEP/NX, stack canaries. Use safe string functions.

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +1.0
CVSS: +44
POC: 0

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CVE-2025-4733 vulnerability details – vuln.today

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