AUGUST 4, 2026
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Case File

CVE-2021-27173

HIGH · CVSS 7.5 EPSS 12.67%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-10 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-27173
Severity
HIGH
CVSS
7.5
EPSS
12.67%

Original NVD Description

An issue was discovered on FiberHome HG6245D devices through RP2613. There is a telnet?enable=0&key=calculated(BR0_MAC) backdoor API, without authentication, provided by the HTTP server. This will remove firewall rules and allow an attacker to reach the telnet server (used for the CLI).