Buffer Overflow Vulnerability in Tenda AC Series Routers
CVE-2018-14557

7.5HIGH

Key Information:

Vendor
Tenda
Status
Ac7 Firmware
Vendor
CVE Published:
25 April 2019

Summary

A buffer overflow vulnerability exists in the web server of Tenda AC7, AC9, and AC10 routers. This flaw occurs when processing the page parameters for a post request, where the input is directly written to a local variable on the stack using sprintf. This allows for the potential overwrite of the return address of the function, compromising the security of the device. Users are urged to update their firmware promptly to mitigate these risks.

References

https://github.com/zsjevilhex/iot/blob/master/route/tenda...
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.