CVE-2024-0942Public exploitNetwork attack vector

Continued session access via unexpired logout token

Published Jan 26, 2024 · Updated Aug 23, 2024

Insufficient session expiration in TOTOLINK N200RE V5 9.3.5u.6255_B20211224 allows remote attackers to retain access after logout. The /cgi-bin/cstecgi.cgi logout path fails to invalidate the active login token, leaving it accepted for later requests. Exploitation requires possession of a previously valid token and permits continued access with that session's privileges.

CVSS severity4.3
Medium
EPSS probability0.66%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Insufficient session expiration in TOTOLINK N200RE V5 9.3.5u.6255_B20211224 allows remote attackers to retain access after logout. The /cgi-bin/cstecgi.cgi logout path fails to invalidate the active login token, leaving it accepted for later requests. Exploitation requires possession of a previously valid token and permits continued access with that session's privileges.

The record

CVE
CVE-2024-0942
Published
Jan 26, 2024
Updated
Aug 23, 2024
Vendor
TOTOLINK
Product
N200RE V5 Firmware
Classifications
CWE-613, T1550
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 26, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 23, 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=9.3.5u.6255_B20211224

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

TOTOLINK · N200RE V5 Firmwareversion=9.3.5u.6255_B20211224

Published CVSS scores

3.7VulDBCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
4.3NISTCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
2.6VulDBAV:N/AC:H/Au:N/C:P/I:N/A:N

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-613Insufficient Session Expiration
T1550Use Alternate Authentication Material

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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