Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2016-6257

The firmware in Lenovo Ultraslim dongles, as used with Lenovo Liteon SK-8861, Ultraslim Wireless, and Silver Silk keyboards and Liteon ZTM600 and Ultraslim Wireless mice, does not enforce incrementing AES counters, which allows remote attackers to inject encrypted keyboard input into the system by leveraging proximity to the dongle, aka a "KeyJack injection attack."

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it requires adjacent network access with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 14 products from amazonbasics, from amazonbasics, from amazonbasics and 11 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2016, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2016-08-02T14:59:04.490

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:A/AC:L/Au:N/C:N/I:P/A:N

Access Vector: ADJACENT_NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

6.5

Impact Score

2.9

Weaknesses

Type: Primary
CWE-310

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	amazonbasics	firmware	-	Yes
Hardware	amazonbasics	usb_dongle	-	No
Hardware	amazonbasics	wireless_keyboard	-	No
Operating System	dell	km714_firmware	≤ 012.005.00028	Yes
Hardware	dell	km714_dongle	-	No
Hardware	dell	km714_wireless_keyboard	-	No
Operating System	dell	km632_firmware	-	Yes
Hardware	dell	km632_dongle	-	No
Hardware	dell	km632_wireless_keyboard	-	No
Operating System	logitech	unifying_firmware	≤ 012.005.00028	Yes
Operating System	logitech	unifying_firmware	≤ 024.003.00027	Yes
Hardware	logitech	unifying_dongle	-	No
Operating System	lenovo	ultraslim_firmware	-	Yes
Hardware	lenovo	ultraslim_dongle	-	No
Hardware	lenovo	ultraslim_wireless_keyboard	-	No

References

http://www.securityfocus.com/bid/92179 Third Party Advisory, VDB Entry ([email protected])
https://github.com/BastilleResearch/keyjack/blob/master/doc/advisories/bastille-13.lenovo-ultraslim.public.txt Third Party Advisory ([email protected])
https://support.lenovo.com/product_security/len_7267 Vendor Advisory ([email protected])
https://www.bastille.net/research/vulnerabilities/keyjack Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/92179 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/BastilleResearch/keyjack/blob/master/doc/advisories/bastille-13.lenovo-ultraslim.public.txt Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.lenovo.com/product_security/len_7267 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.bastille.net/research/vulnerabilities/keyjack Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For amazonbasics's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.