CVE-2026-7192 PUBLISHED

Multiple vulnerabilities in the T-CPE301K 4G Mini WiFi Router from Shenzhen Dbit Network Equipment

Assigner: INCIBE
Reserved: 27.04.2026 Published: 29.09.2026 Updated: 29.09.2026

A stack-based buffer overflow vulnerability in the Dbit T-CPE301K 4G WiFi minirouter allows an authenticated attacker to cause a denial of service (DoS) and a system reboot via a manipulated HTTP POST request directed at the endpoint ‘/js/common/do_cmd.js’ endpoint containing an excessively long parameter, which overwrites the PC and RA registers.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Shenzhen Dbit Network Equipment
Product	T-CPE301K 4G Mini WiFi Router
Versions	Default: unaffected affected from 0 to 29/09/2026 (excl.)

Solutions

No solution has been reported as yet.

Credits

Marcos González Sanz (mrk) finder

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-t-cpe301k-4g-mini-wifi-router-shenzhen-dbit

Problem Types

CWE-121 Stack-based buffer overflow CWE