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Description

Unauthenticated Telnet access vulnerability in Calix GigaCenter ONT allows root access.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE.

PUBLISHED Reserved 2025-07-14 | Published 2025-09-09 | Updated 2025-09-12 | Assigner Fluid Attacks




HIGH: 8.7CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-306 Missing Authentication for Critical Function

Product status

Default status
unaffected

844E
affected

844G
affected

844GE
affected

854GE
affected

References

fluidattacks.com/advisories/sal exploit

fluidattacks.com/advisories/sal third-party-advisory

www.calix.com product related

revers3everything.com/calix-case-five-0-days-five-cves/ third-party-advisory

cve.org (CVE-2025-7635)

nvd.nist.gov (CVE-2025-7635)

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