CVE-2026-81945 PLANET IGS-5225-8P2T4S V1/V2 Admin Stack-Based Buffer Overflow via Web Server
Remote administrators can trigger a stack-based buffer overflow in the web server, leading to denial of service or arbitrary code execution.
- 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-2026-81945?
CVE-2026-81945 is a high-severity memory corruption vulnerability in PLANET IGS-5225-8P2T4S V1, published on 18 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
PLANET IGS-5225-8P2T4S industrial managed switch V1 and V2 firmware versions before 1.2412b260707 and 2.2412b260519 contain a stack-based buffer overflow in the web server. Insufficient bounds checking on data copied into a stack buffer allows a remote administrator to cause a denial of service or potentially execute arbitrary code on the underlying operating system.
Weakness: CWE-121
Which versions are affected by CVE-2026-81945?
How do I fix CVE-2026-81945?
No fix has been published for CVE-2026-81945 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-81945 being exploited?
There is no known exploitation of CVE-2026-81945 in the wild and no public exploit code.
Sources
Also known as GHSA-g83m-6h5f-4hqj.