CVE-2024-46419Public exploitNetwork attack vector

Authenticated code execution via oversized SSID input

Published Sep 16, 2024 · Updated Sep 17, 2024

Buffer overflow in setWizardCfg in TOTOLINK T8 4.1.5cu.861_B20230220 allows remote authenticated users to execute arbitrary code. The handler copies the user-controlled ssid5g value from a JSON POST request into a fixed-size buffer without an effective bounds check. A valid SESSION_ID cookie is required to reach cstecgi.cgi; an oversized value can corrupt memory, crash the router, or execute code.

CVSS severity9.8
Critical
EPSS probability0.72%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Buffer overflow in setWizardCfg in TOTOLINK T8 4.1.5cu.861_B20230220 allows remote authenticated users to execute arbitrary code. The handler copies the user-controlled ssid5g value from a JSON POST request into a fixed-size buffer without an effective bounds check. A valid SESSION_ID cookie is required to reach cstecgi.cgi; an oversized value can corrupt memory, crash the router, or execute code.

The record

CVE
CVE-2024-46419
Published
Sep 16, 2024
Updated
Sep 17, 2024
Vendor
TOTOLINK
Product
T8
Classifications
CWE-120, T1210
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 16, 2024CVE publishedPublication date reported by the CVE source.
  2. Sep 17, 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=4.1.5cu.861_b20230220

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

TOTOLINK · T8version=4.1.5cu.861_b20230220

Published CVSS scores

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

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
T1210Exploitation of Remote Services

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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