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Vulnerabilities

CVE-2025-27021 | BDVDB-2026-284496 Detail

InfineraG42

Description#

The misconfiguration in the sudoers configuration of the operating system in Infinera G42 version R6.1.3 allows low privileged OS users to read/write physical memory via devmem command line tool. This could allow sensitive information disclosure, denial of service, and privilege escalation by tampering with kernel memory. Details: The output of "sudo -l" reports the presence of "devmem" command executable as super user without using a password. This command allows to read and write an arbitrary memory area of the target device, specifying an absolute address.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.

Weaknesses#

  • CWE-266 Incorrect Privilege Assignment

References#

Exploit#

No public exploit known

History#

  1. Version 1Record published in the CVE List.