CVE-2023-41555Public exploitNetwork attack vector

Unauthenticated code execution via security_5g overflow

Published Aug 30, 2023 · Updated Oct 1, 2024

Stack overflow in Tenda AC7 1.0 firmware 15.03.06.44 allows remote attackers to execute code or crash the router via a crafted request. The /goform/WifiBasicSet handler accepts an oversized security_5g parameter and writes beyond a stack buffer. The management endpoint requires no privileges or user interaction, and successful exploitation can compromise or interrupt the appliance.

CVSS severity9.8
Critical
EPSS probability0.84%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack overflow in Tenda AC7 1.0 firmware 15.03.06.44 allows remote attackers to execute code or crash the router via a crafted request. The /goform/WifiBasicSet handler accepts an oversized security_5g parameter and writes beyond a stack buffer. The management endpoint requires no privileges or user interaction, and successful exploitation can compromise or interrupt the appliance.

The record

CVE
CVE-2023-41555
Published
Aug 30, 2023
Updated
Oct 1, 2024
Vendor
Shenzhen Tenda Technology Co., Ltd.
Product
AC7
Classifications
CWE-787, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 30, 2023CVE publishedPublication date reported by the CVE source.
  2. Oct 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=1.0_v15.03.06.44

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Shenzhen Tenda Technology Co., Ltd. · AC7version=1.0_v15.03.06.44

Published CVSS scores

9.8NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-787Out-of-bounds Write
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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