CVE-2026-0641TOTOLINK WA300 cstecgi.cgi sub_401510 command injection
Updated under an hour ago ()
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It affects TOTOLINK WA300. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 6.3 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-77, CWE-74
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Analyzed
- Record last updated
- Feb 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
TOTOLINK WA300 totolink:wa300_firmware | 5.2cu.7112_B20190227 | CNA record |
totolink wa300_firmware totolink:wa300_firmware | 5.2cu.7112_b20190227 | NVD |
References
- https://vuldb.com/?id.339684vdb-entry, technical-description, third-party-advisory
- https://vuldb.com/?ctiid.339684signature, permissions-required, vdb-entry
- https://vuldb.com/?submit.732234third-party-advisory, vdb-entry
- https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.mdrelated, exploit, third-party-advisory
- https://github.com/JackWesleyy/CVE/blob/main/WA300/TOTOLINK_WA300_RCE.md#pocexploit, third-party-advisory
- 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.