What’s Vulnerable › Vulnerabilities

CVE-2024-8452: PLANET Technology switch devices - Insecure hash functions used for SNMPv3 credentials

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% 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-327

Description

Certain switch models from PLANET Technology only support obsolete algorithms for authentication protocol and encryption protocol in the SNMPv3 service, allowing attackers to obtain plaintext SNMPv3 credentials potentially.

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-139-8054-231ad-2.html
• https://www.twcert.org.tw/tw/cp-132-8053-274bd-1.html

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