CVE-2026-5852

A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. Affected is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument igmpVer 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 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_158/README.md
https://vuldb.com/submit/791272
https://vuldb.com/vuln/356378
https://vuldb.com/vuln/356378/cti
https://www.totolink.net/

Configurations

No configuration.

History

26 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) Se ha identificado una debilidad en Totolink A7100RU 7.4cu.2313_b20191024. Afecta a la función setIptvCfg del archivo /cgi-bin/cstecgi.cgi del componente Gestor CGI. Esta manipulación del argumento igmpVer causa inyección de comandos del sistema operativo. El ataque puede llevarse a cabo de forma remota. El exploit se ha hecho público y podría utilizarse para ataques.

Information

Published : 2026-04-09 07:16

Updated : 2026-10-26 21:10

NVD link : CVE-2026-5852

Mitre link : CVE-2026-5852

CVE.ORG link : CVE-2026-5852

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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