CVE-2021-31658 Denial of service in n/a
An attacker can crash the device and erase configuration by sending specially crafted data to the device description interface.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2021-31658?
CVE-2021-31658 is a high-severity denial of service vulnerability in n/a, published on 10 Jun 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
TP-Link TL-SG2005, TL-SG2008, etc. 1.0.0 Build 20180529 Rel.40524 is affected by an Array index error. The interface that provides the "device description" function only judges the length of the received data, and does not filter special characters. This vulnerability will cause the application to crash, and all device configuration information will be erased.
Weakness: CWE-129
Which versions are affected by CVE-2021-31658?
It affects 2 products.
Products include Tp-Link Tl-Sg2005 Firmware, Tp-Link Tl-Sg2008 Firmware.
How do I fix CVE-2021-31658?
No fix has been published for CVE-2021-31658 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-31658 being exploited?
There is no known exploitation of CVE-2021-31658 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w3x9-635p-2982.