CVE-2026-9531

A weakness has been identified in Totolink CA750-PoE 6.2c.510. Impacted is the function setUpgradeUboot of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. This manipulation of the argument FileName causes os command injection. The attack is possible to be carried out 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/wudipjq/my_vuln/blob/main/totolink4/vuln_54/54.md
https://vuldb.com/submit/813929
https://vuldb.com/vuln/365558
https://vuldb.com/vuln/365558/cti
https://www.totolink.net/
https://vuldb.com/submit/813929

Configurations

No configuration.

History

23 Jul 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) Se ha identificado una debilidad en Totolink CA750-PoE 6.2c.510. La función setUpgradeUboot del archivo /cgi-bin/cstecgi.cgi del componente Gestor de Configuración se ve afectada. Esta manipulación del argumento FileName causa inyección de comandos del sistema operativo. El ataque puede llevarse a cabo de forma remota. El exploit ha sido puesto a disposición del público y podría ser utilizado para ataques.

28 May 2026, 17:16

Type	Values Removed	Values Added
References	~~() https://vuldb.com/submit/813929 -~~	() https://vuldb.com/submit/813929 -

26 May 2026, 05:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-05-26 05:16

Updated : 2026-07-23 11:10

NVD link : CVE-2026-9531

Mitre link : CVE-2026-9531

CVE.ORG link : CVE-2026-9531

JSON object : View

Products Affected

No product.

CWE

CWE-77

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

CWE-78

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

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