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Totolink N300RH CVE-2026-7633

| EUVD-2026-26795 MEDIUM
External Control of File Name or Path (CWE-73)
2026-05-02 VulDB
Information Disclosure
5.5
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

6
CVSS changed
May 02, 2026 - 15:22 NVD
6.5 (MEDIUM) 5.5 (MEDIUM)
PoC Detected
May 02, 2026 - 15:16 vuln.today
Public exploit code
Analysis Generated
May 02, 2026 - 15:00 vuln.today
EUVD ID Assigned
May 02, 2026 - 14:30 euvd
EUVD-2026-26795
Analysis Generated
May 02, 2026 - 14:30 vuln.today
CVE Published
May 02, 2026 - 14:00 nvd
MEDIUM 5.5

DescriptionNVD

A vulnerability was identified in Totolink N300RH 6.1c.1353_B20190305. This impacts the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument FileName leads to file inclusion. The attack may be performed from remote. The exploit is publicly available and might be used.

AnalysisAI

External file inclusion in Totolink N300RH firmware 6.1c.1353_B20190305 allows remote unauthenticated attackers to manipulate the FileName parameter in the setUploadSetting function via /cgi-bin/cstecgi.cgi, enabling arbitrary file writes and denial of service. Publicly available exploit code exists, and the vulnerability carries a CVSS score of 6.5 reflecting network-accessible attack vector with low complexity.

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CVE-2026-7633 vulnerability details – vuln.today
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