CVE-2026-0641

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.

CVSS v3 6.3 MEDIUM
CVSS v2.0 6.5 MEDIUM

6.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md	Exploit Third Party Advisory
https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md#poc	Exploit Third Party Advisory
https://vuldb.com/?ctiid.339684	Permissions Required VDB Entry
https://vuldb.com/?id.339684	Third Party Advisory VDB Entry
https://vuldb.com/?submit.732234	Third Party Advisory VDB Entry
https://www.totolink.net/	Product

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:totolink:wa300_firmware:5.2cu.7112_b20190227:*:*:*:*:*:*:*

cpe:2.3:h:totolink:wa300:-:*:*:*:*:*:*:*

History

No history.

Information

Published : 2026-01-06 19:16

Updated : 2026-01-22 17:32

NVD link : CVE-2026-0641

Mitre link : CVE-2026-0641

CVE.ORG link : CVE-2026-0641

JSON object : View

Products Affected

totolink

wa300_firmware
wa300

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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