A security vulnerability has been detected in TOTOLINK WA300 5.2cu.7112_B20190227. This vulnerability affects the function sub_401510 of the file cstecgi.cgi. The manipulation of the argument UPLOAD_FILENAME leads to command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.03174.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Totolink Subscribe
Wa300 Subscribe

No data.

No data.

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Vendors Products
Totolink Subscribe
Wa300 Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md cve-icon cve-icon
https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md#poc cve-icon cve-icon
https://vuldb.com/?ctiid.339684 cve-icon cve-icon
https://vuldb.com/?id.339684 cve-icon cve-icon
https://vuldb.com/?submit.732234 cve-icon cve-icon
https://www.totolink.net/ cve-icon cve-icon
History

Wed, 07 Jan 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Totolink
Totolink wa300
Vendors & Products Totolink
Totolink wa300

Tue, 06 Jan 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 06 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Description A security vulnerability has been detected in TOTOLINK WA300 5.2cu.7112_B20190227. This vulnerability affects the function sub_401510 of the file cstecgi.cgi. The manipulation of the argument UPLOAD_FILENAME leads to command injection. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.
Title TOTOLINK WA300 cstecgi.cgi sub_401510 command injection
Weaknesses CWE-74
CWE-77
References
Metrics cvssV2_0

{'score': 6.5, 'vector': 'AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 6.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-01-06T19:20:43.130Z

Reserved: 2026-01-06T13:52:52.328Z

Link: CVE-2026-0641

cve-icon Vulnrichment

Updated: 2026-01-06T19:20:30.244Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-06T19:16:07.573

Modified: 2026-01-08T18:09:23.230

Link: CVE-2026-0641

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-07T10:08:31Z

Weaknesses