Vulnerability · Published Feb 10, 2021 · Assigned by mitre
CVE-2021-27173
High 7.5
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 12.8% (higher than 96% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)12.8%top 3.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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).