CVE-2018-18729 Memory corruption in n/a
A heap-based buffer overflow in Tenda router web servers allows attackers to execute arbitrary code or leak sensitive information via the mac parameter.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-18729?
CVE-2018-18729 is a critical memory corruption vulnerability in Tenda Ac10 Firmware, published on 28 Oct 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered on 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. There is a heap-based buffer overflow vulnerability in the router's web server -- httpd. While processing the 'mac' parameter for a post request, the value is directly used in a strcpy to a variable placed on the heap, which can leak sensitive information or even hijack program control flow.
Weakness: CWE-787
Which versions are affected by CVE-2018-18729?
It affects 5 products.
Products include Tenda Ac10 Firmware, Tenda Ac15 Firmware, Tenda Ac18 Firmware, Tenda Ac7 Firmware, Tenda Ac9 Firmware.
How do I fix CVE-2018-18729?
No fix has been published for CVE-2018-18729 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2018-18729 being exploited?
There is no known exploitation of CVE-2018-18729 in the wild and no public exploit code.
Other vulnerabilities in Tenda Ac10 Firmware
Sources
Also known as GHSA-2w6w-2wj5-6r35.