PT-2026-36914
CVE-2026-41926
·
Published
2026-05-04
·
Updated
2026-05-04
Description by
CVSS 4.0
9.3
CriticalMetricsAV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Name of the Vulnerable Software and Affected Versions
WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02)
Description
An OS command injection issue exists in the
firewall.cgi binary across five request handlers due to insufficient input validation. Attackers can inject arbitrary shell commands using subshell syntax or unfiltered parameters. The affected parameters include websURLFilter, websHostFilter, portForward, singlePortForward, and ipportFilter. Injected payloads persist in NVRAM and re-execute during every subsequent request to firewall.cgi.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploitability
Exploit
Impacts
Vendors
Affected products
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