CVE-2025-7635: high-severity vulnerability in Calix GigaCenter ONT
Calix GigaCenter ONT - Unauthenticated Telnet
Published · Updated
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.7epss 0.4%
exploitation probability
0.4%top 73% of all CVEs
observed exploitation
nono source reports it
Unauthenticated Telnet access vulnerability in Calix GigaCenter ONT allows root access.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE.
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
Calix · GigaCenter ONTRelated CVEs — Calix GigaCenter ONT
In the same product, most dangerous first.
CVE-2025-54084HIGHCalix Gigacenter ONT - Command InjectionEPSS 0.8%CVE-2025-53914HIGHCalix GigaCenter ONT (Broadcom SoC) - Excessive PrivilegesEPSS 0.2%CVE-2025-53913HIGHCalix GigaCenter ONT (Quantenna SoC) - Excessive PrivilegesEPSS 0.2%CVE-2025-54083MEDIUMCalix GigaCenter ONT firmware - Sensitive Information DisclosureEPSS 0.2%