What’s Vulnerable › Vulnerabilities

CVE-2024-8449: PLANET Technology switch devices - Local users' passwords recovery through hard-coded credentials

• Severity: medium (CVSS 6.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-09-30 · updated 2026-06-17
• Weakness: CWE-798

Description

Certain switch models from PLANET Technology have a Hard-coded Credential in the password recovering functionality, allowing an unauthenticated attacker to connect to the device via the serial console and use this credential to reset any user's password.

Affected products

• Planet Gs-4210-24P2S Firmware: before 3.305b240802 — fixed in 3.305b240802
• Planet Gs-4210-24Pl4C Firmware: before 2.305b240719 — fixed in 2.305b240719

How to fix

Upgrade to a fixed version: Planet Gs-4210-24P2S Firmware 3.305b240802; Planet Gs-4210-24Pl4C Firmware 2.305b240719. Check the vendor advisory for mitigations.

References

• https://www.twcert.org.tw/en/cp-139-8048-f0e4d-2.html
• https://www.twcert.org.tw/tw/cp-132-8047-adf79-1.html

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