CVE-2024-34974Public exploitNetwork attack vector

Router crash via unchecked endIp copy

Published May 10, 2024 · Updated Feb 13, 2025

Stack-based buffer overflow in Tenda AC18 15.03.05.19 allows remote attackers to crash the router through a crafted endIp value. The formSetPPTPServer handler moves content matched from endIp into a stack destination identified as v9 without checking its size. The published request includes a password cookie; a crash is demonstrated, while the disclosure asserts but does not demonstrate shell access.

CVSS severity8.2
High
EPSS probability0.72%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Stack-based buffer overflow in Tenda AC18 15.03.05.19 allows remote attackers to crash the router through a crafted endIp value. The formSetPPTPServer handler moves content matched from endIp into a stack destination identified as v9 without checking its size. The published request includes a password cookie; a crash is demonstrated, while the disclosure asserts but does not demonstrate shell access.

The record

CVE
CVE-2024-34974
Published
May 10, 2024
Updated
Feb 13, 2025
Vendor
Shenzhen Tenda Technology Co., Ltd.
Product
AC18
Classifications
CWE-125, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 10, 2024CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=15.03.05.19

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Shenzhen Tenda Technology Co., Ltd. · AC18version=15.03.05.19

Published CVSS scores

8.2CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/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.

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-125Out-of-bounds Read
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

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo