CVE-2026-1601

A weakness has been identified in Totolink A7000R 4.1cu.4154. The impacted element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument FileName can lead to command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md	Exploit Third Party Advisory
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md#poc	Exploit
https://vuldb.com/?ctiid.343373	Permissions Required VDB Entry
https://vuldb.com/?id.343373	Third Party Advisory VDB Entry
https://vuldb.com/?submit.740760	Third Party Advisory VDB Entry
https://www.totolink.net/	Product
https://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/03_RCE_setUploadUserData_RCE.md	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:totolink:a7000r_firmware:4.1cu.4154:*:*:*:*:*:*:*

cpe:2.3:h:totolink:a7000r:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-01-29 19:16

Updated : 2026-02-10 15:13

NVD link : CVE-2026-1601

Mitre link : CVE-2026-1601

CVE.ORG link : CVE-2026-1601

JSON object : View

Products Affected

totolink

a7000r_firmware
a7000r

CWE

CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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The impacted element is the function setUploadUserData of the file /cgi-bin/cstecgi.cgi. Executing a manipulation of the argument FileName can lead to command injection. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks."}, {"lang": "es", "value": "Se ha identificado una debilidad en Totolink A7000R 4.1cu.4154. El elemento afectado es la funci\u00f3n setUploadUserData del archivo /cgi-bin/cstecgi.cgi. La ejecuci\u00f3n de una manipulaci\u00f3n del argumento FileName puede llevar a inyecci\u00f3n de comandos. El ataque puede lanzarse de forma remota. El exploit se ha puesto a disposici\u00f3n del p\u00fablico y podr\u00eda usarse para ataques."}], "lastModified": "2026-02-10T15:13:27.993", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:totolink:a7000r_firmware:4.1cu.4154:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B89D712B-BA6A-4B24-AD53-20D4E9003143"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:totolink:a7000r:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "603DA206-05D4-48FD-A506-F3BD8B4383B2"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cna@vuldb.com"}