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WatchlistCritical

CVE-2017-16885Lm53q1 Firmware Vulnerability

Improper Permissions Handling in the Portal on FiberHome LM53Q1 VH519R05C01S38 devices (intended for obtaining information about Internet Usage, Changing Passwords, etc.) allows remote attackers to look for the information without authenticating.

Published Jan 12, 2018 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2017-16885 is a critical-severity vulnerability (CVSS 9.8 v3) affecting Lm53q1 Firmware (Fiberhome).
  • It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
  • EPSS estimates a 33% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.

Scores

CVSS v3

9.8

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

33%

Higher than 98.3% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

43/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Not listed

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

2

Proof-of-concept links

In-the-wild evidence

0

Reports of active use

Advisories And Exploit References

Description

Improper Permissions Handling in the Portal on FiberHome LM53Q1 VH519R05C01S38 devices (intended for obtaining information about Internet Usage, Changing Passwords, etc.) allows remote attackers to look for the information without authenticating. The information includes Version of device, Firmware ID, Connected users to device along their MAC Addresses, etc.

Affected Products

1 affected entries in total
ProductAffected versionsFixed in
Lm53q1 FirmwareFiberhomevh519r05c01s38n/a

Timeline

  1. Publicly disclosed

    Jan 12, 2018

  2. Last updated

    Nov 21, 2024

Weakness Type

  • CWE-732 Incorrect Permission Assignment for Critical Resource

FAQ

Common Questions.

Is CVE-2017-16885 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.