CVE-2026-5103

MEDIUM

A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. This issue affects the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument enable causes 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 v3.1 Score

6.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW
Published: 3/30/2026Modified: 3/30/2026

Related Intelligence (1)

HIGHVulnerability

NVD HIGH: CVE-2026-5103 — A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. This i...

A weakness has been identified in Totolink A3300R 17.0.0cu.557_b20221024. This issue affects the function setUPnPCfg of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument enable causes 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.

CVE-2026-5103
NIST NVD

References (5)

https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_enable_cmd_injectExploitThird Party Advisoryhttps://vuldb.com/submit/779140Permissions RequiredVDB Entryhttps://vuldb.com/vuln/354128Third Party AdvisoryVDB Entryhttps://vuldb.com/vuln/354128/ctiThird Party AdvisoryVDB Entryhttps://www.totolink.net/Product