High 8.8Published Jan 6, 2026

CVE-2026-0641A security vulnerability has been detected in TOTOLINK WA300 5.2cu.7112_B20190227.

Updated under an hour ago (2026-10-19 09:30 UTC)

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It affects totolink wa300_firmware. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for totolink wa300_firmware

Exploited in the last 30 days

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: 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-74, CWE-77
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

totolink wa300_firmware totolink:wa300_firmware	5.2cu.7112_b20190227	NVD

References

https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.mdexploit, third-party-advisory
https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md#pocexploit, third-party-advisory
https://vuldb.com/?ctiid.339684permissions-required, vdb-entry
https://vuldb.com/?id.339684third-party-advisory, vdb-entry
https://vuldb.com/?submit.732234third-party-advisory, vdb-entry
https://www.totolink.net/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.