CVE-2026-81944 PLANET IGS-5225-8P2T4S V1/V2 Stack-Based Buffer Overflow via Web Server
Remote authenticated attackers can trigger a stack-based buffer overflow in the web server to execute arbitrary code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-81944?
CVE-2026-81944 is a high-severity memory corruption vulnerability in PLANET IGS-5225-8P2T4S V1, published on 18 Sep 2026. Any signed-in user can exploit it over the network, 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 authenticated attacker 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-2026-81944?
How do I fix CVE-2026-81944?
No fix has been published for CVE-2026-81944 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-2026-81944 being exploited?
There is no known exploitation of CVE-2026-81944 in the wild and no public exploit code.
Sources
Also known as GHSA-xx65-qr94-rrw9.