CVE-2026-5176

A security flaw has been discovered in Totolink A3300R 17.0.0cu.557_b20221024. Affected is the function setSyslogCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument provided results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

CVSS v3 7.3 HIGH
CVSS v2.0 7.5 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_rtLogServer_cmd_inject	Exploit Third Party Advisory
https://vuldb.com/submit/779145	Third Party Advisory VDB Entry
https://vuldb.com/vuln/354244	Third Party Advisory VDB Entry
https://vuldb.com/vuln/354244/cti	Permissions Required VDB Entry
https://www.totolink.net/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:*

cpe:2.3:h:totolink:a3300r:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-03-31 02:15

Updated : 2026-06-17 10:58

NVD link : CVE-2026-5176

Mitre link : CVE-2026-5176

CVE.ORG link : CVE-2026-5176

JSON object : View

Products Affected

totolink

a3300r_firmware
a3300r

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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Affected is the function setSyslogCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument provided results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks."}, {"lang": "es", "value": "Se ha descubierto una falla de seguridad en Totolink A3300R 17.0.0cu.557_b20221024. Afectada es la funci\u00f3n setSyslogCfg del archivo /cgi-bin/cstecgi.cgi. Realizar una manipulaci\u00f3n del argumento proporcionado resulta en inyecci\u00f3n de comandos. El ataque puede ser iniciado remotamente. El exploit ha sido publicado y puede ser utilizado para ataques."}], "lastModified": "2026-06-17T10:58:32.910", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DD39B647-3419-4C6D-A6A2-30F40822A27D"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:totolink:a3300r:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7F723A73-4B32-4F9E-B5DA-80134D4711C1"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cna@vuldb.com"}