CVE-2016-6277
NETGEAR Multiple Routers Remote Code Execution Vulnerability
- High 8.8
- Exploited: added to CISA KEV 7 Mar 2022
- A public exploit reference is listed
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/.
Key facts
- Published
- 14 Dec 2016
- Last changed
- 21 Oct 2025
- Assigned by
- mitre
- KEV added
- 7 Mar 2022
- KEV fix due
- 7 Sep 2022
- EPSS
- 99.803% likely to be exploited in the next 30 days, higher than 99.958% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: no; Technical impact: total
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 8.8CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
What to do
- Apply updates per vendor instructions.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a |
|
Timeline
- 14 Dec 2016 Published
- 7 Mar 2022 CVE-2016-6277 added to CISA KEV
- 7 Mar 2022 Added to the CISA KEV catalogue