CVE-2018-18709: Buffer Overflow
An issue was discovered on Tenda AC7 V15.03.06.44CN, AC9 V15.03.05.19(6318)CN, AC10 V15.03.06.23CN, AC15 V15.03.05.19CN, and AC18 V15.03.05.19(6318)CN devices. It is a buffer overflow vulnerability in the router's web server -- httpd. When processing the "firewallEn" parameter for a post request, the value is directly used in a strcpy to a local variable placed on the stack, which overrides the return address of the function.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2018-18709?
CVE-2018-18709 is a buffer overflow vulnerability in the web server of Tenda AC7, AC9, AC10, AC15, and AC18 devices.
Which devices are affected by CVE-2018-18709?
Tenda AC7 V15.03.06.44_CN, AC9 V15.03.05.19(6318)_CN, AC10 V15.03.06.23_CN, AC15 V15.03.05.19_CN, and AC18 V15.03.05.19(6318)_CN devices are affected.
How severe is CVE-2018-18709?
CVE-2018-18709 has a severity rating of 7.5 (High).
How can I fix CVE-2018-18709?
The vendor has not released a patch for CVE-2018-18709 yet. It is recommended to follow the vendor's security advisories for updates and temporary mitigation measures.
Is Tenda AC7, AC9, AC10, AC15, or AC18 vulnerable to CVE-2018-18709?
Tenda AC7, AC9, AC10, AC15, and AC18 are vulnerable to CVE-2018-18709 unless updated firmware is installed.