CVE-2024-41463Public exploitNetwork attack vector

Router crash via unchecked entrys parameter copy

Published Jul 24, 2024 · Updated Aug 2, 2024

Stack-based buffer overflow in Tenda FH1201 firmware 1.2.0.14 allows remote attackers to crash the router via a crafted entrys value. The addressNat function passes the unbounded entrys parameter to sprintf, which copies it into the v6 stack buffer without a length check. An unauthenticated HTTP POST can interrupt routing service; the cited research documents no confidentiality, integrity, or code-execution impact.

CVSS severity7.5
High
EPSS probability0.52%
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 FH1201 firmware 1.2.0.14 allows remote attackers to crash the router via a crafted entrys value. The addressNat function passes the unbounded entrys parameter to sprintf, which copies it into the v6 stack buffer without a length check. An unauthenticated HTTP POST can interrupt routing service; the cited research documents no confidentiality, integrity, or code-execution impact.

The record

CVE
CVE-2024-41463
Published
Jul 24, 2024
Updated
Aug 2, 2024
Vendor
Shenzhen Tenda Technology Co., Ltd.
Product
FH1201 Firmware
Classifications
CWE-787, CWE-121, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 24, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record 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=1.2.0.14

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Shenzhen Tenda Technology Co., Ltd. · FH1201 Firmwareversion=1.2.0.14

Published CVSS scores

4.3CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
7.5NIST NVDCVSS:3.1/AV:N/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.

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-787Out-of-bounds Write
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

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