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TI-2025-33926 Aliases CVE-2025-54083GHSA-53c6-prmh-xwx9

Calix GigaCenter ONT firmware - Sensitive Information Disclosure

Priority MEDIUM 56CWE-922Published · Updated

Key facts

Attack vector
Physical
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-922.

Summary

Insecure Storage of Sensitive Information vulnerability in Calix GigaCenter ONT (Quantenna SoC modules) allows admin access to the web interface.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00205 10th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CalixGigaCenter ONT844E; 844G; 844GE; 854GE—No fix listedCNA
  • GigaCenter ONT VendorCalix Affected 844E; 844G; 844GE; 854GE Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-54083
  2. 2026-10-03 Alias added: GHSA-53c6-prmh-xwx9

References

  • TI-2025-06969 Calix GigaCenter ONT - Unauthenticated Telnet CVSS 4.0HIGH 8.7
  • TI-2025-33927 Calix Gigacenter ONT - Command Injection CVSS 4.0HIGH 8.5
  • TI-2025-33785 Calix GigaCenter ONT (Broadcom SoC) - Excessive Privileges CVSS 4.0HIGH 7.0
  • TI-2025-33784 Calix GigaCenter ONT (Quantenna SoC) - Excessive Privileges CVSS 4.0HIGH 7.0
  • TI-2026-16012 Calix GigaSpire traceroute.cmd denial of service CVSS 4.0MEDIUM 5.3
  • TI-2026-16011 Calix GigaSpire Web Management utilities_configurationsave.cgi denial of service CVSS 4.0MEDIUM 5.3

Sources