CVE-2026-1623: Totolink A7000R cstecgi.cgi setUpgradeFW command injection
A weakness has been identified in Totolink A7000R 4.1cu.4154. Impacted is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument FileName causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-1623?
CVE-2026-1623 is rated as a high severity vulnerability due to the potential for remote command injection.
How do I fix CVE-2026-1623?
To fix CVE-2026-1623, upgrade the Totolink A7000R firmware to the latest version that addresses this vulnerability.
What is the impact of CVE-2026-1623?
The impact of CVE-2026-1623 includes unauthorized remote code execution through the command injection in the setUpgradeFW function.
Is CVE-2026-1623 exploitable remotely?
Yes, CVE-2026-1623 can be exploited remotely, allowing attackers to execute commands without local access.
What software versions are affected by CVE-2026-1623?
CVE-2026-1623 affects the Totolink A7000R version 4.1cu.4154.