CVE-2026-0641 — MEDIUM (6.3)

Vulnerability 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.

CVSS 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

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

LOW

Affected Products

Vendor	Product	Versions
Totolink	Wa300 Firmware	5.2cu.7112_b20190227
Totolink	Wa300	-

Related Weaknesses (CWE)

CWE-74 CWE-77

References

https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.mdExploitThird Party Advisory
https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md#pocExploitThird Party Advisory
https://vuldb.com/?ctiid.339684Permissions RequiredVDB Entry
https://vuldb.com/?id.339684Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.732234Third Party AdvisoryVDB Entry
https://www.totolink.net/Product

FAQ

What is CVE-2026-0641?

CVE-2026-0641 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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_F...

How severe is CVE-2026-0641?

CVE-2026-0641 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-0641?

Check the references section above for vendor advisories and patch information. Affected products include: Totolink Wa300 Firmware, Totolink Wa300.