CVE-2024-0994Public exploitNetwork attack vector

Memory corruption via oversized funcpara1 input

Published Jan 29, 2024 · Updated Nov 12, 2024

Stack-based buffer overflow in Tenda W6 1.0.0.9(4122) allows remote authenticated users to corrupt memory via an HTTP request. The published record identifies the httpd formSetCfm handler, /goform/setcfm route, and funcpara1 input but does not disclose the exact write operation that overruns the stack buffer. High-privilege access to the web interface is required; successful exploitation corrupts process memory and can crash httpd or redirect execution.

CVSS severity9.8
Critical
EPSS probability1.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Stack-based buffer overflow in Tenda W6 1.0.0.9(4122) allows remote authenticated users to corrupt memory via an HTTP request. The published record identifies the httpd formSetCfm handler, /goform/setcfm route, and funcpara1 input but does not disclose the exact write operation that overruns the stack buffer. High-privilege access to the web interface is required; successful exploitation corrupts process memory and can crash httpd or redirect execution.

The record

CVE
CVE-2024-0994
Published
Jan 29, 2024
Updated
Nov 12, 2024
Vendor
Shenzhen Tenda Technology Co., Ltd.
Product
W6
Classifications
CWE-787, CWE-121, T1190
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 29, 2024CVE publishedPublication date reported by the CVE source.
  2. Nov 12, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0.0.9(4122)

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Shenzhen Tenda Technology Co., Ltd. · W6version=1.0.0.9(4122)

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.3VulDBAV:N/AC:L/Au:M/C:C/I:C/A:C
7.2VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-787Out-of-bounds Write
CWE-121Stack-based Buffer Overflow
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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