CVE-2024-28026 Command injection in MC LR Router
An authenticated attacker can execute arbitrary OS commands via the out1 parameter in the web interface of MC LR Router.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-28026?
CVE-2024-28026 is a high-severity command injection vulnerability in MC LR Router, published on 21 Nov 2024. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Three OS command injection vulnerabilities exist in the web interface I/O configuration functionality of MC Technologies MC LR Router 2.10.5. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.This vulnerability refers to the authenticated OS Command Injection that occurs through the attacker-controlled `out1` parameter, at offset `0x8efc`. int out_ret = sscanf(current_param->key, "out%u", &io_idx); if (out_ret == 1 && io_idx == 1) { // [4] Similar to `3`, but `out1` instead of `btn1` if (asprintf(&command, "/usr/sbin/vout %s %u vo_manual", current_param->value, 1) > 0) { system(command); return -1; } }
Weakness: CWE-78
Which versions are affected by CVE-2024-28026?
It affects 1 product.
Products include Mc-Technologies Mc Lr Router Firmware.
How do I fix CVE-2024-28026?
No fix has been published for CVE-2024-28026 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-2024-28026 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-28026 exists.
Other vulnerabilities in MC LR Router
Sources
Also known as GHSA-36rh-jh3r-836q.