CVE-2026-0641

MEDIUM 6.3

TOTOLINK WA300 cstecgi.cgi sub_401510 command injection

CVSS Score

6.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-77 CWE-74
Vendor	totolink
Product	wa300
Published	Jan 6, 2026
Last Updated	Feb 23, 2026

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CVSS v3 Breakdown

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

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

TOTOLINK / WA300

5.2cu.7112_B20190227

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/?id.339684 vuldb.com: https://vuldb.com/?ctiid.339684 vuldb.com: https://vuldb.com/?submit.732234 github.com: https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md github.com: https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md#poc totolink.net: https://www.totolink.net/

Credits

🔍 JackWesley (VulDB User)