TI-2026-30327 Aliases CVE-2026-41925 GHSA-rcvc-m8x7-hg25

WDR201A WiFi Extender OS Command Injection via adm.cgi (reboot_time)

HIGH 81CWE-78Published 2026-05-04 · Updated 2026-05-11

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.

Summary

WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) contains an OS command injection vulnerability in the adm.cgi binary's reboot_time function that allows unauthenticated remote attackers to execute arbitrary shell commands by injecting malicious input into the reboot_time POST parameter. Attackers can send a crafted request with shell metacharacters in the reboot_time parameter when reboot_enabled=1 to achieve remote code execution.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.04002 90th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Shenzhen Yipu Commercial and Trading Co., Ltd	WDR201A WiFi Extender	up to 1.02.0	—	No fix listed	CNA

WDR201A WiFi Extender VendorShenzhen Yipu Commercial and Trading Co., Ltd Affected up to 1.02.0 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-41925
2026-10-03 Alias added: GHSA-rcvc-m8x7-hg25

References

Exploit 1

https://mstreet97.github.io/security-research/iot/vulnerability-disclosure/ai-assisted-research/cybersecurity/cve/2026/05/04/Teaching_the_Machine_Where_to_Look.html

Other 1

https://www.made-in-china.com/showroom/yeapook/#:~:text=Established%20in%202015.%2CDistrict%2C%20Shenzhen%2C%20Guangdong%2C%20China

TI-2026-30328 WDR201A WiFi Extender OS Command Injection via firewall.cgi CVSS 4.0CRITICAL 9.3
TI-2026-30326 WDR201A WiFi Extender OS Command Injection via makeRequest.cgi CVSS 4.0CRITICAL 9.3
TI-2026-30325 WDR201A WiFi Extender OS Command Injection via internet.cgi CVSS 4.0CRITICAL 9.3
TI-2026-30324 WDR201A WiFi Extender OS Command Injection via wireless.cgi CVSS 4.0CRITICAL 9.3
TI-2026-30329 WDR201A WiFi Extender Stack-Based Buffer Overflow via firewall.cgi CVSS 4.0HIGH 8.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences