CVE-2026-4497 MEDIUM

CVE-2026-4497: Totolink WA300 cstecgi.cgi recvUpgradeNewFw os command injection

Vendor Totolink
Product WA300
Weakness CWE-78
Published March 20, 2026
Last update March 20, 2026
View on NVD All CVEs

CVSS base score

6.9/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 20, 2026 CVE published
March 20, 2026 Record updated