HOMEVULNERABILITIESCVE-2016-1491
HIGH

CVE-2016-1491

CWE-255Published: January 26, 2016· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official Description

The Wifi hotspot in Lenovo SHAREit before 3.2.0 for Windows, when configured to receive files, has a hardcoded password of 12345678, which makes it easier for remote attackers to obtain access by leveraging a position within the WLAN coverage area.

NVD Source

Technical Analysis

CVE-2016-1491 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

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 8.8.

CVSS v3.1 Vector Breakdown

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

Affected Vendors & Products

Lenovo1 product(s)
shareit
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://packetstormsecurity.com/files/135378/Lenovo-ShareIT-Information-Disclosure-Hardcoded-Password.html
ADVISORYhttp://seclists.org/fulldisclosure/2016/Jan/67
ADVISORYhttp://www.coresecurity.com/advisories/lenovo-shareit-multiple-vulnerabilities
ADVISORYhttps://support.lenovo.com/us/en/product_security/len_4058
ADVISORYhttp://packetstormsecurity.com/files/135378/Lenovo-ShareIT-Information-Disclosure-Hardcoded-Password.html
ADVISORYhttp://seclists.org/fulldisclosure/2016/Jan/67
ADVISORYhttp://www.coresecurity.com/advisories/lenovo-shareit-multiple-vulnerabilities
ADVISORYhttps://support.lenovo.com/us/en/product_security/len_4058

All References (10)

→
http://packetstormsecurity.com/files/135378/Lenovo-ShareIT-Information-Disclosure-Hardcoded-Password.htmlThird Party Advisory · VDB Entry
→
http://seclists.org/fulldisclosure/2016/Jan/67Third Party Advisory · VDB Entry
→
http://www.coresecurity.com/advisories/lenovo-shareit-multiple-vulnerabilitiesThird Party Advisory
→
http://www.securityfocus.com/archive/1/537365/100/0/threaded
→
https://support.lenovo.com/us/en/product_security/len_4058Mitigation · Vendor Advisory
→
http://packetstormsecurity.com/files/135378/Lenovo-ShareIT-Information-Disclosure-Hardcoded-Password.htmlThird Party Advisory · VDB Entry
→
http://seclists.org/fulldisclosure/2016/Jan/67Third Party Advisory · VDB Entry
→
http://www.coresecurity.com/advisories/lenovo-shareit-multiple-vulnerabilitiesThird Party Advisory
→
http://www.securityfocus.com/archive/1/537365/100/0/threaded
→
https://support.lenovo.com/us/en/product_security/len_4058Mitigation · Vendor Advisory

Quick Facts

CVE IDCVE-2016-1491
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-255
CISA KEVNo
Affected1 vendor(s)
PublishedJan 26, 2016

Related CVEs (CWE-255)

CVE-2011-4757
10.0
CVE-2006-1002
10.0
CVE-2010-0570
10.0
CVE-2004-2532
10.0
CVE-2013-6884
10.0
CVE-2006-3203
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2016-1491 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.
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