PLANET Technology switch devices - Insecure hash functions used for SNMPv3 credentials

published 2024-09-30 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-49186

cvss: 7.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits: 0; none known

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.

Patch / fix

fixed in 2

PLANET Technology GS-4210-24PL4C hardware 2.0 2.305b240719
PLANET Technology GS-4210-24P2S hardware 3.0 3.305b240802

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-09-30)

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

PLANET Technology GS-4210-24PL4C hardware 2.0
PLANET Technology GS-4210-24P2S hardware 3.0

Classification

Weakness

CWE-327 Use of a Broken or Risky Cryptographic Algorithm
CWE-328 Use of Weak Hash

References

twcert.org.tw /tw/cp-132-8053-274bd-1.html
third-party-advisory
twcert.org.tw /en/cp-139-8054-231ad-2.html
third-party-advisory

Sources

CVE List CVE-2024-8452
NVD CVE-2024-8452

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary