CVE-2026-4497
critical
CVSS v3
9.8
CVSS v2
7.5
VIR risk
9.8
Description
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
References
- https://github.com/hellonestor/killallbug/issues/1
- https://github.com/user-attachments/files/25790616/Unauthenticated.Remote.Code.Execution.in.TOTOLINK.WA300.via.Command.Injection.in.recvUpgradeNewFw.zip
- https://vuldb.com/?ctiid.352046
- https://vuldb.com/?id.352046
- https://vuldb.com/?submit.773875
- https://www.totolink.net/
CWEs
CWE-77 CWE-78
Verify integrity in audit chain (admin only). AS-IS.