CVE-2024-3011Public exploitNetwork attack vector

Authenticated memory corruption via oversized PPPoE password

Published Mar 28, 2024 · Updated Aug 1, 2024

Stack-based buffer overflow in Tenda FH1205 2.0.0.7(775) allows remote authenticated users to corrupt memory via a PPPoE password. The formQuickIndex handler passes PPPOEPassword to decodePwd without a length check, allowing the filtered copy to exceed its fixed stack buffer. Low-privilege access to the router web interface is required, and the public artifact demonstrates the overflow rather than a weaponized code-execution chain.

CVSS severity8.8
High
EPSS probability1.85%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack-based buffer overflow in Tenda FH1205 2.0.0.7(775) allows remote authenticated users to corrupt memory via a PPPoE password. The formQuickIndex handler passes PPPOEPassword to decodePwd without a length check, allowing the filtered copy to exceed its fixed stack buffer. Low-privilege access to the router web interface is required, and the public artifact demonstrates the overflow rather than a weaponized code-execution chain.

The record

CVE
CVE-2024-3011
Published
Mar 28, 2024
Updated
Aug 1, 2024
Vendor
Shenzhen Tenda Technology Co., Ltd.
Product
FH1205
Classifications
CWE-121, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 28, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 1, 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=2.0.0.7(775)
  2. Affected versionversion=2.0.0.7\(775\)

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Shenzhen Tenda Technology Co., Ltd. · FH1205version=2.0.0.7(775); version=2.0.0.7\(775\)

Published CVSS scores

8.8VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.0VulDBAV:N/AC:L/Au:S/C:C/I:C/A:C

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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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