What’s Vulnerable › Vulnerabilities

CVE-2021-27156

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 15.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-02-10 · updated 2026-06-17
• Weakness: CWE-798

Description

An issue was discovered on FiberHome HG6245D devices through RP2613. The web daemon contains credentials for an ISP that equal the last part of the MAC address of the br0 interface.

Affected products

• FiberHome Hg6245D Firmware: through rp2613

References

• https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-hardcoded-credentials
• https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-hardcoded-credentials

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