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IMMUNITYSEC

CVE-2016-6277

8.8
HIGH
CVSS 3.1
EPSS 99.8% · 100th pctCISA KEV · Exploited in the wild
2016-12-14Updated 2025-10-21KEV 2022-03-07
CISA Known Exploited Vulnerabilities

NETGEAR Multiple Routers Remote Code Execution Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2022-03-07
Remediation due
2022-09-07

Required action
Apply updates per vendor instructions.

CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2016-6277

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/.

Severity

CVSS 3.1 · CISA8.8 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC · CISA-ADP
Exploitationactive
Automatableno
Technical impacttotal

Exploitation Context

as of October 17, 2026
All KEV statistics→
  • CISA added CVE-2016-6277 to the KEV catalog 1,909 days after its CVE record was published.
  • It is one of 8 NETGEAR entries in the CISA KEV catalog, and one of 7 added in 2022.
  • Its current EPSS score (99.8%) is higher than that of 91% of CISA KEV entries.

Affected Products

ProductAffected versions
-
n/a

References

8 Links
Exploits & PoCs
Third-party advisories
Vulnerability databases

Record Details

Published
2016-12-14
Last updated
2025-10-21
Assigner (CNA)
mitre
Credited to
-

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.