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CVE-2026-4497

HIGH

7.3

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.

CVE Details

CVSS v3.1 Score7.3

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published3/20/2026

Last Modified4/3/2026

Sourcenvd

Honeypot Sightings0

Affected Products

totolink:wa300totolink:wa300_firmware

Weaknesses (CWE)

CWE-77CWE-78CWE-78

References

https://github.com/hellonestor/killallbug/issues/1(cna@vuldb.com)

https://github.com/user-attachments/files/25790616/Unauthenticated.Remote.Code.Execution.in.TOTOLINK.WA300.via.Command.Injection.in.recvUpgradeNewFw.zip(cna@vuldb.com)

https://vuldb.com/?ctiid.352046(cna@vuldb.com)

https://vuldb.com/?id.352046(cna@vuldb.com)

https://vuldb.com/?submit.773875(cna@vuldb.com)

https://www.totolink.net/(cna@vuldb.com)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.