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Vulnerability record · CVE-2024-0298 · published 8 January 2024

CVE-2024-0298: Totolink n200re firmware os command injection vulnerability

TTotolink · N200re Firmware

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been classified as critical. Affected is the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249864. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

9.8 CVSS 3.1 Critical EPSS 3.8% · top 10.3% CWE-78 · OS command injection
9.8CVSS 3.1 base score, v2 7.5
3.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been classified as critical. Affected is the function setDiagnosisCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to os command injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-249864. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N200RE/setDiagnosisCfg/README.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.249864 Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?id.249864 Permissions RequiredThird Party AdvisoryVDB Entry
https://github.com/jylsec/vuldb/blob/main/TOTOLINK/N200RE/setDiagnosisCfg/README.md ExploitThird Party Advisory
https://vuldb.com/?ctiid.249864 Permissions RequiredThird Party AdvisoryVDB Entry
https://vuldb.com/?id.249864 Permissions RequiredThird Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-1001Totolink n200re firmware stack-based buffer overflow vulnerabilityA vulnerability classified as critical has been found in Totolink N200RE 9.3.5u.6139_B20201216. Affected is the function main of the file /cgi-bin/cs…EPSS 1.4%9.8CVE-2024-0299Totolink n200re firmware os command injection vulnerabilityA vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216. It has been declared as critical. Affected by this vulnerability is the function …EPSS 3.8%9.8CVE-2024-0297Totolink n200re firmware os command injection vulnerabilityA vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. This issue affects the function UploadFirmwareFile of …EPSS 3.8%9.8CVE-2024-0296Totolink n200re firmware os command injection vulnerabilityA vulnerability has been found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. This vulnerability affects the function NTPSyncWi…EPSS 3.8%9.8CVE-2019-19825Totolink a3002ru firmware improper authentication vulnerabilityOn certain TOTOLINK Realtek SDK based routers, the CAPTCHA text can be retrieved via an {"topicurl":"setting/getSanvas"} POST to the boafrm/formLogin…EPSS 30%9.1CVE-2025-55895Totolink a3300r firmware improper access control vulnerabilityTOTOLINK A3300R V17.0.0cu.557_B20221024 and N200RE V9.3.5u.6448_B20240521 and V9.3.5u.6437_B20230519 are vulnerable to Incorrect Access Control. Atta…EPSS 0.34%8.8CVE-2024-1003Totolink n200re firmware stack-based buffer overflow vulnerabilityA vulnerability, which was classified as critical, has been found in Totolink N200RE 9.3.5u.6139_B20201216. Affected by this issue is the function se…EPSS 1.3%8.8CVE-2024-1002Totolink n200re firmware stack-based buffer overflow vulnerabilityA vulnerability classified as critical was found in Totolink N200RE 9.3.5u.6139_B20201216. Affected by this vulnerability is the function setIpPortFi…EPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2024-0298), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.