CVE-2023-40840 Memory corruption in n/a
A buffer overflow in the Tenda AC6 router allows attackers to execute arbitrary code or cause a denial of service.
- 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-2023-40840?
CVE-2023-40840 is a critical memory corruption vulnerability in Tenda Ac6 Firmware, published on 30 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Tenda AC6 US_AC6V1.0BR_V15.03.05.16_multi_TD01.bin is vulnerable to Buffer Overflow via function "fromGetWirelessRepeat."
Weakness: CWE-787
Which versions are affected by CVE-2023-40840?
It affects 1 product.
Products include Tenda Ac6 Firmware.
How do I fix CVE-2023-40840?
No fix has been published for CVE-2023-40840 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-2023-40840 being exploited?
There is no known exploitation of CVE-2023-40840 in the wild and no public exploit code.
Other vulnerabilities in Tenda Ac6 Firmware
Sources
Also known as GHSA-8fqm-6hfr-ppwc.