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Vulnerabilities

Vulnerability · CVE-2016-6277

NETGEAR Multiple Routers Remote Code Execution Vulnerability

Published Dec 14, 2016 · catalog updated Jun 16, 2026 · NETGEAR Multiple Routers

Patch now

CVE-2016-6277 is in the CISA known-exploited catalog, due Sep 7, 2022. Confirm NETGEAR Multiple Routers against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High8.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
99.80%
Remediation
Remediation guidance
Affected products
cpe netgear/d6220 firmware · cpe netgear/d6400 firmware · cpe netgear/r6250 firmware · cpe netgear/r6400 firmware · cpe netgear/r6700 firmware · cpe netgear/r6900 firmware

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/.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe netgear/d6220 firmwareversion unspecified
  • cpe netgear/d6400 firmwareversion unspecified
  • cpe netgear/r6250 firmwareversion unspecified
  • cpe netgear/r6400 firmwareversion unspecified
  • cpe netgear/r6700 firmwareversion unspecified
  • cpe netgear/r6900 firmwareversion unspecified
  • cpe netgear/r7000 firmwareversion unspecified
  • cpe netgear/r7100lg firmwareversion unspecified
  • cpe netgear/r7300dst firmwareversion unspecified
  • cpe netgear/r7900 firmwareversion unspecified
  • cpe netgear/r8000 firmwareversion unspecified
  • vendor NETGEAR Multiple Routersversion unspecified

How to fix CVE-2016-6277

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2016-6277 is in the CISA known-exploited catalog, due Sep 7, 2022. Confirm NETGEAR Multiple Routers against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply updates per vendor instructions.

What should an analyst verify?

CWE-352: Cross-Site Request Forgery (CSRF). EPSS 99.80%. The CISA KEV listing is the exploitation evidence. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 14, 2016 · Catalog

    Detected

    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/.

  2. Mar 7, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Sep 7, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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/.

Sources

  • CISA KEVConfirmed exploitationCVE-2016-6277

    NETGEAR confirmed multiple routers allow unauthenticated web pages to pass form input directly to the command-line interface, permitting remote code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2016-6277

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2016-6277

    30-day exploitation probability 99.8%

    first.org
  • Exploit DatabasePublic exploit reference40889

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Exploit DatabasePublic exploit reference41598

    Public archive entry. The exploit body is not stored here.

    exploit-db.com
  • Metasploit ModulesPublic exploit moduleexploit_linux/http/netgear_r7000_cgibin_exec

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDVulnerability recordCVE-2016-6277

    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

    nvd.nist.gov
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/155712/Netgear-R6400-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • VulnCheck KEVConfirmed exploitationCVE-2016-6277

    NETGEAR confirmed multiple routers allow unauthenticated web pages to pass form input directly to the command-line interface, permitting remote code execution.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.