HOMEVULNERABILITIESCVE-2017-16885
CRITICALPOC

CVE-2017-16885

CWE-732Published: January 12, 2018· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2017-16885 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

A proof-of-concept (PoC) exploit exists for CVE-2017-16885. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

fiberhome2 product(s)
lm53q1 firmwarelm53q1
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

All References (4)

http://seclists.org/fulldisclosure/2018/Jan/28Mailing List · Third Party Advisory
https://www.exploit-db.com/exploits/43460/Exploit · Third Party Advisory · VDB Entry
http://seclists.org/fulldisclosure/2018/Jan/28Mailing List · Third Party Advisory
https://www.exploit-db.com/exploits/43460/Exploit · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2017-16885
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-732
CISA KEVNo
ExploitPOC
Affected1 vendor(s)
PublishedJan 12, 2018

Related CVEs (CWE-732)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2017-16885 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.