CVE-2022-36570Network attack vector

Router memory corruption via oversized LED schedule time

Published Aug 31, 2022 · Updated Aug 3, 2024

Stack overflow in Tenda AC9 firmware 15.03.05.19 allows remote authenticated users to corrupt memory via a crafted LED schedule request. The /goform/SetLEDCfg handler accepts an oversized time value and fails to keep the resulting write within its stack buffer; the exact copy routine is undisclosed. Administrative access to the network management interface is required, and public evidence does not establish reliable code execution or a persistent device outage.

CVSS severity7.2
High
EPSS probability1.06%
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 AC9 firmware 15.03.05.19 allows remote authenticated users to corrupt memory via a crafted LED schedule request. The /goform/SetLEDCfg handler accepts an oversized time value and fails to keep the resulting write within its stack buffer; the exact copy routine is undisclosed. Administrative access to the network management interface is required, and public evidence does not establish reliable code execution or a persistent device outage.

The record

CVE
CVE-2022-36570
Published
Aug 31, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-787, T1499.004
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 31, 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 privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

7.2NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
T1499.004Application or System Exploitation

Public exploit references

No public exploit references are available in this record.

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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