CVE-2026-81946 PLANET IGS-5225-8P2T4S V1/V2 Weak Password Hashing via MD5 Algorithm
Attackers with configuration file access can recover privileged passwords due to weak MD5 hashing, requiring firmware upgrades.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-81946?
CVE-2026-81946 is a medium-severity vulnerability in PLANET IGS-5225-8P2T4S V1, published on 18 Sep 2026. It can only be exploited from the same machine or local 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 use MD5-based password hashing, a cryptographic algorithm with known weaknesses. An attacker who obtains the device configuration file can recover the privileged-mode access password.
Weakness: CWE-121
Which versions are affected by CVE-2026-81946?
How do I fix CVE-2026-81946?
No fix has been published for CVE-2026-81946 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-81946 being exploited?
There is no known exploitation of CVE-2026-81946 in the wild and no public exploit code.
Sources
Also known as GHSA-h99g-pjxv-7gh9.