Is CVE-2024-0297 actively exploited?

Yes. KEV Intelligence tracks CVE-2024-0297 as a known exploited vulnerability. Confidence is high.

What exploitation activity has KEV Intelligence observed?

KEV Intelligence has not yet recorded sensor-observed exploitation attempts for CVE-2024-0297. Our sensors continue to monitor for activity targeting this CVE.

Which versions are affected?

CVE-2024-0297 affects Totolink N200RE. Reported affected version: 9.3.5u.6139_B20201216.

No. CVE-2024-0297 is not currently listed in CISA KEV.

Vulnerability report

Exploited in the wild High confidence Not in CISA KEV

CVE-2024-0297

Totolink N200RE cstecgi.cgi UploadFirmwareFile os command injection

TOTOLINK / N200RE · 9.3.5u.6139_B20201216

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Severity: CVSS 7.3 · High
Confidence: High
Exploit status: Exploited in the wild
EPSS: 3.8%
First observed: —
Last observed: —

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2024-0297 is an unauthenticated Totolink N200RE cstecgi.cgi UploadFirmwareFile os command injection. A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. This issue...

Is it exploited?

Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is high.

Who is affected?

Totolink / N200RE 9.3.5u.6139_b20201216.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. This issue affects the function UploadFirmwareFile of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument FileName leads to os command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-249863.

NOTE: The vendor was contacted early about this disclosure but did not respond in any way. Eine kritische Schwachstelle wurde in Totolink N200RE 9.3.5u.6139_B20201216 gefunden. Betroffen davon ist die Funktion UploadFirmwareFile der Datei /cgi-bin/cstecgi.cgi. Durch das Beeinflussen des Arguments FileName mit unbekannten Daten kann eine os command injection-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei über das Netzwerk erfolgen. Der Exploit steht zur öffentlichen Verfügung.

Vendor Product Affected Status

Totolink N200RE 9.3.5u.6139_B20201216 Affected

Published: 08 Jan 2024
Exploitation Reported: 08 Jan 2024
Attack vector: Remote
Complexity: Low
Privileges: None
User interaction: None

CVE References

CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2024-0297
GitHub — jylsec/vuldb github.com · Exploit https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N200RE/UploadFirmw...
Technical Description — vuldb.com vuldb.com · Technical Description https://vuldb.com/?id.249863
Signature — vuldb.com vuldb.com · Signature https://vuldb.com/?ctiid.249863

Exploitation evidence

Why KEV Intelligence marks this CVE as exploited

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploited in the wild

The Shadowserver

Recorded 08 Jan 2024

Independent exploitation attestation added to the KEV Intelligence record.

Known exploited vulnerability sources

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Source	Added
The Shadowserver First	2024-01-08 04:31 UTC

Detection

Operational artifacts and observed signals

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Observed signals

Request targets: 0
User-Agents: 0

Raw values available in Pro and Enterprise.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

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No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

7.3 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

EPSS

3.8%

Weaknesses

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') CWE-78

All CVSS Scores

CVSS v3.1 7.3 High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v3.0 7.3 High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CVSS v2.0 7.5 High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Timeline

From disclosure to observed exploitation

08 Jan 2024
CVE published

Vulnerability disclosed publicly
08 Jan 2024
Added to KEV Intelligence KEV Feed

High-confidence, third-party attested exploitation
07 Jan 2024
CVE ID reserved

Identifier reserved by the CNA

Pro API

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Evidence confidence and provenance
First-party sensor telemetry
PoC and scanner references
Affected versions and enrichment
Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2024-0297

Free JSON includes basic KEV fields

{
  "cve_id": "CVE-2024-0297",
  "confidence": "High",
  "cvss_score": 7.3,
  "cvss_estimated": false,
  "epss_score": 0.03834,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}

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