CVE-2021-45738 Command injection in n/a
Attackers can execute arbitrary commands on TOTOLINK X5000R routers via the FileName parameter in the firmware upload function.
- 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-2021-45738?
CVE-2021-45738 is a critical command injection vulnerability in Totolink X5000r Firmware, published on 4 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
TOTOLINK X5000R v9.1.0u.6118_B20201102 was discovered to contain a command injection vulnerability in the function UploadFirmwareFile. This vulnerability allows attackers to execute arbitrary commands via the parameter FileName.
Weakness: CWE-77
Which versions are affected by CVE-2021-45738?
It affects 1 product.
Products include Totolink X5000r Firmware.
How do I fix CVE-2021-45738?
No fix has been published for CVE-2021-45738 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2021-45738 being exploited?
There is no known exploitation of CVE-2021-45738 in the wild and no public exploit code.
Other vulnerabilities in Totolink X5000r Firmware
Sources
Also known as GHSA-9gr7-v5c5-h55m.