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CVE-2025-27021— Operating System Misconfiguration in Infinera G42

Quick assessment

Affected
Infinera G42
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Infinera G42是美国Infinera公司的一款光网络的模块平台。 Infinera G42 R6.1.3版本存在安全漏洞，该漏洞源于配置不当，可能导致信息泄露和权限提升。

CVSS 7.0 · High EPSS 0.15% · P5
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I. Basic Information for CVE-2025-27021

Vulnerability Information
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Vulnerability Title
Operating System Misconfiguration in Infinera G42
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Infinera G42 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Infinera G42是美国Infinera公司的一款光网络的模块平台。 Infinera G42 R6.1.3版本存在安全漏洞，该漏洞源于配置不当，可能导致信息泄露和权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Infinera G42 6.1.3 ~ 7.1 -

II. Public POCs for CVE-2025-27021

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III. Intelligence Information for CVE-2025-27021

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Same Patch Batch · Infinera · 2025-07-02 · 6 CVEs total

CVE-2025-27025 8.8 HIGH Improper File Access in Infinera G42
CVE-2025-27022 7.5 HIGH Path Traversal Vulnerability in Infinera G42
CVE-2025-27024 6.5 MEDIUM Improper File Access in Infinera G42
CVE-2025-27023 6.5 MEDIUM Improper Input Validation in Infinera G42
CVE-2025-27026 4.9 MEDIUM Improper Access Control Granularity impacting Infinera G42

IV. Related Vulnerabilities

Same product: G42
Same vendor: Infinera