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Tew 632brp EUVD-2026-12218

| CVE-2026-4172 HIGH
Stack-based Buffer Overflow (CWE-121)
2026-03-15 VulDB
7.3
CVSS 4.0 · NVD
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Severity by source

NVD PRIMARY
7.3 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/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
High
User Interaction
None
Scope
X

Lifecycle Timeline

6
Re-analysis Queued
Apr 22, 2026 - 21:37 vuln.today
cvss_changed
CVSS changed
Apr 22, 2026 - 21:37 NVD
7.2 (HIGH) 7.3 (HIGH)
PoC Detected
Mar 16, 2026 - 14:53 vuln.today
Public exploit code
EUVD ID Assigned
Mar 15, 2026 - 09:00 euvd
EUVD-2026-12218
Analysis Generated
Mar 15, 2026 - 09:00 vuln.today
CVE Published
Mar 15, 2026 - 08:32 nvd
HIGH 7.2

DescriptionCVE.org

A vulnerability was detected in TRENDnet TEW-632BRP 1.010B32. This affects an unknown part of the file /ping_response.cgi of the component HTTP POST Request Handler. The manipulation of the argument ping_ipaddr results in stack-based buffer overflow. The attack may be performed from remote. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

Stack-based buffer overflow vulnerability in TRENDnet TEW-632BRP firmware version 1.010B32, specifically in the ping_response.cgi file's HTTP POST request handler. An authenticated attacker with high privileges can exploit this vulnerability remotely to achieve code execution with high impact to confidentiality, integrity, and availability. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send HTTP POST request to /ping_response.cgi
Exploit
Inject oversized ping_ipaddr parameter
Execution
Overflow stack buffer
Impact
Execute arbitrary code on router

Vulnerability AssessmentAI

Exploitation TRENDnet TEW-632BRP firmware version 1.010B32 with HTTP POST request handler enabled. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Despite the high CVSS score of 7.2, the real-world risk is moderated by several factors. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker who has obtained valid administrative credentials (through phishing, credential stuffing, or default passwords) can remotely access the router's web interface and send a specially crafted HTTP POST request to /ping_response.cgi. By providing an oversized value in the ping_ipaddr parameter, the attacker triggers a stack buffer overflow, potentially gaining code execution on the device. …
Remediation No official patch or firmware update is available as the vendor did not respond to the vulnerability disclosure. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Inventory all TRENDnet TEW-632BRP devices in your environment and isolate affected units from production networks if possible. …

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EUVD-2026-12218 vulnerability details – vuln.today

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