CVE-2026-0641mediumCWE-74 CWE-77

CVE-2026-0641: medium-severity vulnerability in TOTOLINK WA300

TOTOLINK WA300 cstecgi.cgi sub_401510 command injection

Published 06 Jan 2026 · Updated 23 Feb 2026

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.3epss 2.6%

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: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

Affected products

TOTOLINK · WA300

References

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