CVE-2021-27707

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/"portMappingIndex "request. This occurs because the "formDelPortMapping" function directly passes the parameter "portMappingIndex" to strcpy without limit.
References
Link Resource
https://hackmd.io/U7OVgYIuRcOKV7SW5-euHw Exploit Third Party Advisory
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Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:tenda:g1_firmware:v15.11.0.17\(9502\)_cn:*:*:*:*:*:*:*
cpe:2.3:h:tenda:g1:-:*:*:*:*:*:*:*

Configuration 2 (hide)

AND
cpe:2.3:o:tenda:g3_firmware:v15.11.0.17\(9502\)_cn:*:*:*:*:*:*:*
cpe:2.3:h:tenda:g3:-:*:*:*:*:*:*:*

Information

Published : 2021-04-14 08:15

Updated : 2021-04-20 14:43


NVD link : CVE-2021-27707

Mitre link : CVE-2021-27707


JSON object : View

CWE
CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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Products Affected

tenda

  • g3_firmware
  • g3
  • g1_firmware
  • g1