THREATPORT/VULNERABILITY/CVE-2025-1616
MEDIUM SEVERITY

CVE-2025-1616

An5506 01a Firmware vulnerability

CVSS
4.7
EPSS
7.6%
EPSS pct
94th
Exploited
No known
A vulnerability, which was classified as critical, has been found in FiberHome AN5506-01A ONU GPON RP2511. Affected by this issue is some unknown functionality of the component Diagnosis. The manipulation of the argument Destination Address leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected vendor
Fiberhome
Affected product
An5506 01a Firmware
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Weakness type (CWE)
Published
2025-02-24

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring high privileges, no user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity, low impact to availability.

Its EPSS score of 7.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2025-1616

  • Confirm whether Fiberhome An5506 01a Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2025-1616.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2025-1616

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2025-1616 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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