CVE-2026-35868 Command injection in n/a
An attacker can execute arbitrary OS commands on LB-link Router AC2100 devices via command injection in the libshare.so library.
- 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-2026-35868?
CVE-2026-35868 is a critical command injection vulnerability in n/a, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A Command Injection vulnerability exists in the bs_SetLimitCli_info function within the libshare.so library of LB-link Router AC2100_AZ3 V1.0.4. This flaw occurs due to insufficient validation and sanitization of user-supplied input before it is passed to a system-level command execution context. An attacker can exploit this vulnerability by injecting specially crafted shell metacharacters or payloads into the vulnerable parameter, resulting in the execution of arbitrary operating system commands.
Weakness: CWE-20
Which versions are affected by CVE-2026-35868?
How do I fix CVE-2026-35868?
No fix has been published for CVE-2026-35868 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-2026-35868 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-35868 exists.
Sources
Also known as GHSA-6j4v-cp8h-4qcw.