TI-2021-08703 Aliases CVE-2021-27156 GHSA-4h45-9hf5-qr48

An issue was discovered on FiberHome HG6245D devices through RP2613.

MEDIUM 58CWE-798Published 2021-02-10 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-798.

Summary

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.

Why it matters now

EPSS 0.15206 96th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:fiberhome:hg6245d_firmware::::::::	up to rp2613	Vulnerable	FiberHome
cpe:2.3:h:fiberhome:hg6245d:-:::::::*	not specified by NVD	Running on	FiberHome

cpe:2.3:o:fiberhome:hg6245d_firmware:*:*:*:*:*:*:*:* Versions up to rp2613 Vulnerable ·FiberHome
cpe:2.3:h:fiberhome:hg6245d:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·FiberHome

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-27156
2026-10-03 Alias added: GHSA-4h45-9hf5-qr48

References

Exploit 1

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

TI-2021-08709 An issue was discovered on FiberHome HG6245D devices through RP2613. CVSS 3.1CRITICAL 9.8
TI-2021-08711 An issue was discovered on FiberHome HG6245D devices through RP2613. CVSS 3.1CRITICAL 9.8
TI-2021-08705 An issue was discovered on FiberHome HG6245D devices through RP2613. CVSS 3.1CRITICAL 9.8
TI-2021-08696 An issue was discovered on FiberHome HG6245D devices through RP2613. CVSS 3.1CRITICAL 9.8
TI-2021-08695 An issue was discovered on FiberHome HG6245D devices through RP2613. CVSS 3.1CRITICAL 9.8
TI-2021-08692 An issue was discovered on FiberHome HG6245D devices through RP2613. CVSS 3.1CRITICAL 9.8

See all 39 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences