CVE-2022-32032Public exploitNetwork attack vector

Unauthenticated memory corruption via unchecked deviceList copy

Published Jul 1, 2022 · Updated Aug 3, 2024

Stack overflow in Tenda AX1806 firmware 1.0.0.1 allows remote attackers to corrupt memory through a crafted deviceList POST parameter. The formAddMacfilterRule handler passes deviceList to parse_macfilter_rule, which copies it into the caller's stack without checking its length. No authentication or user interaction is required; the CVE-linked proof instead names Tenda A18 firmware 15.13.07.09, leaving model applicability inconsistent.

CVSS severity9.8
Critical
EPSS probability10.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Stack overflow in Tenda AX1806 firmware 1.0.0.1 allows remote attackers to corrupt memory through a crafted deviceList POST parameter. The formAddMacfilterRule handler passes deviceList to parse_macfilter_rule, which copies it into the caller's stack without checking its length. No authentication or user interaction is required; the CVE-linked proof instead names Tenda A18 firmware 15.13.07.09, leaving model applicability inconsistent.

The record

CVE
CVE-2022-32032
Published
Jul 1, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 1, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10.0NIST NVDAV:N/AC:L/Au:N/C:C/I:C/A:C

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
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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