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CVE-2026-4008 - Vulnerability Analysis

HighCVSS: 8.8

Last Updated: March 12, 2026

Tenda W3 - Buffer Overflow

Published: March 12, 2026Updated: March 12, 2026Remote Exploitable

Overview

Tenda W3 1.0.0.3(2204) contains a stack-based buffer overflow caused by manipulation of the "index/GO" argument in /goform/wifiSSIDset POST Parameter Handler, letting remote attackers execute code remotely, exploit requires crafted request.

Severity & Score

Severity: High
CVSS Score: 8.8
EPSS Score: 8.8%(Probability of exploitation in next 30 days)

Impact

Remote attackers can execute arbitrary code, potentially leading to full system compromise.

Mitigation

Update to the latest version.

Social Media Activity(2 posts)

TheHackerWire
TheHackerWire
@thehackerwire
Mar 12, 2026

🟠 CVE-2026-4008 - High (8.8) A flaw has been found in Tenda W3 1.0.0.3(2204). This issue affects some unknown processing of the file /goform/wifiSSIDset of the component POST Parameter Handler. Executing a manipulation of the argument index/GO can lead to stack-based buffer o... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-4008/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

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Offensive Sequence
Offensive Sequence
@offseq
Mar 12, 2026

šŸ›”ļø CVE-2026-4008: HIGH severity stack buffer overflow in Tenda W3 (v1.0.0.3(2204)) lets remote attackers execute code or cause DoS — no auth needed. Public exploit available, patch or restrict access now! https://radar.offseq.com/threat/cve-2026-4008-stack-based-buffer-overflow-in-tenda-40f87be9 #OffSeq #Tenda #Infosec #Vuln

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Details

CVE ID
CVE-2026-4008
Severity
High
CVSS Score
8.8
Type
buffer_overflow
Status
unconfirmed
EPSS
8.8%
Social Posts
2

CWE

  • CWE-119

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Score

8.8%Probability of exploitation in the next 30 days