CVE-2024-0926Public exploitNetwork attack vector

Service interruption via unbounded index formatting

Published Jan 26, 2024 · Updated May 29, 2025

Stack-based buffer overflow in the formWifiWpsOOB handler in Tenda AC10U 15.03.06.49_multi_TDE01 allows service interruption. The handler formats the attacker-controlled index value with sprintf and stores the result in the fixed-size tmp stack buffer without enforcing its capacity. Remote authenticated users with high privileges can send a crafted HTTP POST request that overflows the buffer and crashes the router; code execution has not been demonstrated.

CVSS severity9.8
Critical
EPSS probability0.91%
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 the formWifiWpsOOB handler in Tenda AC10U 15.03.06.49_multi_TDE01 allows service interruption. The handler formats the attacker-controlled index value with sprintf and stores the result in the fixed-size tmp stack buffer without enforcing its capacity. Remote authenticated users with high privileges can send a crafted HTTP POST request that overflows the buffer and crashes the router; code execution has not been demonstrated.

The record

CVE
CVE-2024-0926
Published
Jan 26, 2024
Updated
May 29, 2025
Vendor
Shenzhen Tenda Technology Co., Ltd.
Product
AC10U
Classifications
CWE-121, T1499
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 26, 2024CVE publishedPublication date reported by the CVE source.
  2. May 29, 2025Record 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=15.03.06.49_multi_TDE01

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Shenzhen Tenda Technology Co., Ltd. · AC10Uversion=15.03.06.49_multi_TDE01

Published CVSS scores

5.8VulDBAV:N/AC:L/Au:M/C:P/I:P/A:P
4.7VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
4.7VulDBCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
T1499Endpoint Denial of Service

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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