CVE-2021-27139

CVE-2021-27139 is a high-severity vulnerability in Fiberhome Hg6245d Firmware with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 16% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Description

An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to extract information from the device without authentication by disabling JavaScript and visiting /info.asp.

Frequently asked questions

What is CVE-2021-27139?
An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to extract information from the device without authentication by disabling JavaScript and visiting /info.asp.
How severe is CVE-2021-27139?
CVE-2021-27139 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-27139 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 16% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27139?
CVE-2021-27139 affects Fiberhome Hg6245d Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27139?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-27139 published?
CVE-2021-27139 was published on 2021-02-10 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Fiberhome Hg6245d Firmware

All CVEs affecting Fiberhome Hg6245d Firmware →