CVE-2024-42974Public exploit

Service interruption via unbounded page formatting

Published Aug 15, 2024 · Updated Aug 15, 2024

Stack overflow in Tenda FH1206 02.03.01.35 allows remote attackers to crash the router via a crafted page value in a POST request. The fromwebExcptypemanFilter function passes the unbounded page value to sprintf while formatting it into the fixed-size v8 stack array. Remote attackers on an adjacent network need no authentication; the documented consequence is a router crash without confidentiality or integrity impact.

CVSS severity6.5
Medium
EPSS probability0.55%
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 FH1206 02.03.01.35 allows remote attackers to crash the router via a crafted page value in a POST request. The fromwebExcptypemanFilter function passes the unbounded page value to sprintf while formatting it into the fixed-size v8 stack array. Remote attackers on an adjacent network need no authentication; the documented consequence is a router crash without confidentiality or integrity impact.

The record

CVE
CVE-2024-42974
Published
Aug 15, 2024
Updated
Aug 15, 2024
Vendor
Shenzhen Tenda Technology Co., Ltd.
Product
FH1206
Classifications
CWE-121, T1499.004
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Aug 15, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 15, 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=02.03.01.35

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Shenzhen Tenda Technology Co., Ltd. · FH1206version=02.03.01.35

Published CVSS scores

6.5CISA ADPCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/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)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-121Stack-based Buffer Overflow
T1499.004Endpoint Denial of Service: Application or System Exploitation

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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