CVE-2026-23759

HIGH

7.2

Description

Perle IOLAN STS/SCS terminal server models with firmware versions prior to 6.0 allow authenticated OS command injection via the restricted shell accessed over Telnet or SSH. The shell 'ps' command does not perform proper argument sanitization and passes user-supplied parameters into an 'sh -c' invocation running as root. An authenticated attacker who can log in to the device can inject shell metacharacters after the 'ps' subcommand to execute arbitrary OS commands with root privileges, leading to full compromise of the underlying operating system.

Details CVE

Score CVSS v3.17.2

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisHIGH

Interaction utilisateurNONE

Publie3/17/2026

Derniere modification3/18/2026

Sourcenvd

Observations honeypot0

Faiblesses (CWE)

CWE-78

References

https://www.perle.com/downloads/server_sds_sts_rackmount.shtml(disclosure@vulncheck.com)

https://www.perle.com/support_services/documentation_pdfs/iolan_scs-sds-sts_ug.pdf(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/perle-iolan-sts-scs-authenticated-command-injection-via-shell-ps(disclosure@vulncheck.com)

Correlations IOC

Aucune correlation enregistree

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