Vulnerability · Published Sep 9, 2025 · Assigned by Fluid Attacks
CVE-2025-53914Calix GigaCenter ONT (Broadcom SoC) - Excessive Privileges
High 7.0
In plain English
A high-severity privilege mismanagement in GigaCenter ONT from Calix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 4.0)7.0High
Exploit odds (30 days)0.2%top 85.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Excessive Privileges vulnerability in Calix GigaCenter ONT (Broadcom SoC modules) allows Privilege Abuse.This issue affects GigaCenter ONT: 844E, 844G, 844GE, 854GE, 812G, 813G, 818G.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Calix | GigaCenter ONT | 844E844G844GE854GE812G813G818G |
Weakness: CWE-269 · Vector: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
References
- https://fluidattacks.com/advisories/sheivi third-party-advisory
- https://www.calix.com product, related
- https://revers3everything.com/calix-case-five-0-days-five-cves/ third-party-advisory