Buffer Overflow Vulnerability in Tenda AC7, AC9, and AC10 Router Systems
CVE-2018-14559

7.5HIGH

Key Information:

Vendor

Tenda
Status
Ac7 Firmware
Vendor
CVE Published:
25 April 2019

What is CVE-2018-14559?

A buffer overflow vulnerability has been identified within the web server of Tenda AC7, AC9, and AC10 routers. This issue arises when the web server improperly handles list parameters in post requests, allowing an attacker to exploit the vulnerable sprintf function. By supplying malicious input, the attacker can overwrite the function's return address stored on the stack, potentially leading to arbitrary code execution and compromising the device's integrity. Users are advised to update their firmware to the latest version to mitigate this security risk.

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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

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