CVE Tools
Sign in

CVE-2016-6277

Published: Dec 14, 2016Updated: Apr 21, 2026 Sources: CVE List NVD BDUCWE-352
NVD MITRE
8.8CVSSHIGH
EPSS Score
99.8%
Top 0.0%
CISA KEV
Active Exploitation
Since Mar 7, 2022
Exploits
3 Known
Remediation
Patch Available
Am I actually vulnerable?1 Nuclei template available — see how to check your systems. How to verify

Description

NETGEAR R6250 before 1.0.4.6.Beta, R6400 before 1.0.1.18.Beta, R6700 before 1.0.1.14.Beta, R6900, R7000 before 1.0.7.6.Beta, R7100LG before 1.0.0.28.Beta, R7300DST before 1.0.0.46.Beta, R7900 before 1.0.1.8.Beta, R8000 before 1.0.3.26.Beta, D6220, D6400, D7000, and possibly other routers allow remote attackers to execute arbitrary commands via shell metacharacters in the path info to cgi-bin/.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-352

Affected Products

n/an/a
d6220 firmwarenetgearNetworking Infrastructure
d6400 firmwarenetgearNetworking Infrastructure
r6250 firmwarenetgearNetworking Infrastructure
r6400 firmwarenetgearNetworking Infrastructure
netgearcommercialUSNetworking Infrastructureaka net gear
and 18 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Mar 7, 2022
Remediation due:Sep 7, 2022

Required action: Apply updates per vendor instructions.

3 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://www.exploit-db.com/exploits/40889/
exploit-db.com
https://www.exploit-db.com/exploits/41598/
exploit-db.com
http://kb.netgear.com/000036386/CVE-2016-582384
kb.netgear.com
and 8 more references View all →

Timeline

Published
Dec 14, 2016
Added to CISA KEV
Mar 7, 2022
Last Updated
Apr 21, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2016-6277 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows