CVE-2026-16455 Local privilege escalation via improper input sanitization in execl() call
A local attacker can escalate privileges to administrative level on Teltonika RUTOS and TSWOS devices due to improper input sanitization in an execl() call.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-16455?
CVE-2026-16455 is a medium-severity command injection vulnerability in Teltonika Networks RUTOS, published on 13 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In Teltonika Networks RUTOS devices running versions 7.07.1 through 7.24.1 and TSWOS devices running versions 1.03 through 1.10, a vulnerability exists whereby a lower privileged user can escalate privileges to administrative level due to unsafe calls to an execl function.
Weakness: CWE-93
Which versions are affected by CVE-2026-16455?
How do I fix CVE-2026-16455?
No fix has been published for CVE-2026-16455 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-2026-16455 being exploited?
There is no known exploitation of CVE-2026-16455 in the wild and no public exploit code.
Sources
Also known as GHSA-g34r-6m6v-97g6.