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CVE-2026-0641

Published: Jan 6, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

6.3

MEDIUM

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.

Vendor	Product	Versions
TOTOLINK	WA300	affected `5.2cu.7112_B20190227`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-339684 | TOTOLINK WA300 cstecgi.cgi sub_401510 command injection

vdb-entry

technical-description

VDB-339684 | CTI Indicators (IOB, IOC, TTP, IOA)

signature

permissions-required

Submit #732234 | TOTOLINK WA300 V5.2cu.7112_B20190227 Command Injection

third-party-advisory

https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md

related

https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md#poc

exploit

https://www.totolink.net/

product

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