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High 8.8Known exploited (CISA KEV)Published Dec 14, 2016

CVE-2016-6277NETGEAR 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…

Updated under an hour ago ()

Does this affect you?

It affects netgear d6220_firmware and 10 other products. Add what you run to find out whether that includes you.

CISA lists it as known exploited since Mar 7, 2022; federal agencies had to remediate by Sep 7, 2022. Treat that date as your deadline.

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
8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-352
Known exploited
Added to CISA KEV Mar 7, 2022; federal remediation due Sep 7, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days)
99.80% (percentile 100)
Assigned by
mitre
NVD analysis
Analyzed
Record last updated
Oct 21, 2025
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
netgear d6220_firmware
netgear:d6220_firmware
through 1.0.0.22
NVD
netgear d6400_firmware
netgear:d6400_firmware
through 1.0.0.56
NVD
netgear r6250_firmware
netgear:r6250_firmware
through 1.0.4.6_10.1.12
NVD
netgear r6400_firmware
netgear:r6400_firmware
through 1.0.1.18
NVD
netgear r6700_firmware
netgear:r6700_firmware
through 1.0.1.14
NVD
netgear r6900_firmware
netgear:r6900_firmware
through 1.0.1.14
NVD
netgear r7000_firmware
netgear:r7000_firmware
through 1.0.7.2_1.1.93
NVD
netgear r7100lg_firmware
netgear:r7100lg_firmware
through 1.0.0.28
NVD
netgear r7300dst_firmware
netgear:r7300dst_firmware
through 1.0.0.46
NVD
netgear r7900_firmware
netgear:r7900_firmware
through 1.0.1.8
NVD
netgear r8000_firmware
netgear:r8000_firmware
through 1.0.3.26
NVD

References

  • exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
  • exploit, x-refsource-exploit-db, third-party-advisory, vdb-entry
  • x-refsource-confirm, patch, vendor-advisory
  • x-refsource-misc, broken-link, mitigation, third-party-advisory
  • third-party-advisory, x-refsource-cert-vn, us-government-resource
  • vdb-entry, x-refsource-bid, broken-link, third-party-advisory
  • x-refsource-misc, broken-link, exploit, third-party-advisory
  • x-refsource-misc, exploit, third-party-advisory, vdb-entry
  • us-government-resource

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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