CVE-2021-27705

Severity CVSS v4.0:
Pending analysis
Type:
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
Publication date:
14/04/2021
Last modified:
20/04/2021

Description

Buffer Overflow in Tenda G1 and G3 routers with firmware v15.11.0.17(9502)_CN allows remote attackers to execute arbitrary code via a crafted action/"qosIndex "request. This occurs because the "formQOSRuleDel" function directly passes the parameter "qosIndex" to strcpy without limit.

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:tenda:g1_firmware:v15.11.0.17\(9502\)_cn:*:*:*:*:*:*:*
cpe:2.3:h:tenda:g1:-:*:*:*:*:*:*:*
cpe:2.3:o:tenda:g3_firmware:v15.11.0.17\(9502\)_cn:*:*:*:*:*:*:*
cpe:2.3:h:tenda:g3:-:*:*:*:*:*:*:*


References to Advisories, Solutions, and Tools