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CVE-2025-54084: Calix Gigacenter ONT - Command Injection

• Severity: high (CVSS 8.5 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-09-09 · updated 2026-06-17
• Weakness: CWE-78

Description

OS Command ('OS Command Injection') vulnerability in Calix GigaCenter ONT (Quantenna SoC modules) allows authenticated attackers with 'super' user credentials to execute arbitrary OS commands through improper input validation, potentially leading to full system compromise.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE.

Affected products

• Calix GigaCenter ONT: 844E, 844G, 844GE, 854GE

References

• https://fluidattacks.com/advisories/bacalao
• https://revers3everything.com/calix-case-five-0-days-five-cves/
• https://www.calix.com
• https://fluidattacks.com/advisories/bacalao

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