Critical severityNVD Advisory· Published May 4, 2026· Updated May 5, 2026

CVE-2026-41923

Description

WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the internet.cgi binary that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the gateway POST parameter. Attackers can exploit unsanitized parameter concatenation in the set_add_routing function to inject shell commands that are executed via popen() with partial output reflected in the HTTP response.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

mstreet97.github.io/security-research/iot/vulnerability-disclosure/ai-assisted-research/cybersecurity/cve/2026/05/04/Teaching_the_Machine_Where_to_Look.htmlnvd
www.made-in-china.com/showroom/yeapook/nvd
www.vulncheck.com/advisories/wdr201a-wifi-extender-os-command-injection-via-internet-cginvd

News mentions

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cvss	0.585
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000