CVE-2023-51957Public exploitNetwork attack vector

Memory corruption via oversized IPTV mode value

Published Jan 10, 2024 · Updated Sep 3, 2024

Stack overflow in Tenda AX1803 1.0.0.1 allows remote attackers to corrupt router memory via a crafted iptv.stb.mode value. Public records identify the formGetIptv handler and affected parameter but do not disclose the precise unsafe memory operation. No authentication or user interaction is required, but public sources do not establish whether exploitation produces only a crash or code execution.

CVSS severity9.8
Critical
EPSS probability0.70%
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 AX1803 1.0.0.1 allows remote attackers to corrupt router memory via a crafted iptv.stb.mode value. Public records identify the formGetIptv handler and affected parameter but do not disclose the precise unsafe memory operation. No authentication or user interaction is required, but public sources do not establish whether exploitation produces only a crash or code execution.

The record

CVE
CVE-2023-51957
Published
Jan 10, 2024
Updated
Sep 3, 2024
Vendor
Shenzhen Tenda Technology Co., Ltd.
Product
AX1803
Classifications
CWE-787, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 10, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 3, 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=1.0.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Shenzhen Tenda Technology Co., Ltd. · AX1803version=1.0.0.1

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8NVDCVSS: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 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
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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