CVE-2026-81946 PUBLISHED

PLANET IGS-5225-8P2T4S V1/V2 Weak Password Hashing via MD5 Algorithm

Assigner: VulnCheck
Reserved: 27.08.2026 Published: 18.09.2026 Updated: 18.09.2026

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.

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 4.4

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	PLANET Technology Corp.
Product	PLANET IGS-5225-8P2T4S V1
Versions	Default: unaffected affected from 0 to 1.2412b260707 (excl.)

Vendor	PLANET Technology Corp.
Product	PLANET IGS-5225-8P2T4S V2
Versions	Default: affected affected from 0 to 2.2412b260519 (excl.)

Credits

Ivan Kurnakov, Vladimir Nazarov, Ilya Bubliy, Iliya Rogachev, Arseny Grigorev, Ivan Tarakanov, Aleksey Karimov (Positive Technologies) finder
Maksim Gruzin finder

References

Problem Types

Stack-based Buffer Overflow CWE