CVE-2026-4497A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227.
Updated under an hour ago ()
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A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. Affected by this issue is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi. This manipulation causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.
- CVSS
- 9.8 CRITICAL (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-77, CWE-78
- 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
totolink wa300_firmware totolink:wa300_firmware | 5.2cu.7112_b20190227 | NVD |
References
- https://github.com/hellonestor/killallbug/issues/1exploit, issue-tracking
- https://github.com/user-attachments/files/25790616/Unauthenticated.Remote.Code.Execution.in.TOTOLINK.WA300.via.Command.Injection.in.recvUpgradeNewFw.zipexploit
- https://vuldb.com/?ctiid.352046permissions-required, vdb-entry
- https://vuldb.com/?id.352046third-party-advisory, vdb-entry
- https://vuldb.com/?submit.773875third-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.