9.3

CVE-2016-6277: NETGEAR Multiple Routers Remote Code Execution Vulnerability

CVSS: 9.3v2.0HighKEVAnalyzed
Published 14-12-2016Last modified 21-10-2025
Open JSON

Vulnerability summary

CVE-2016-6277 is a high (CVSS 9.3) Cross-Site Request Forgery (CSRF) vulnerability in NETGEAR Multiple Routers. It is known to be exploited: CISA lists it, first on 07-03-2022. EPSS estimates a 99.80% chance of exploitation in the next 30 days, higher than 99.9% of scored vulnerabilities. 5 public exploits are recorded.

Overall risk
85/100
0100
Critical · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
99.80%
0%100%
Critical · 0.00 pp in 30 days
KEVListedCISA
RansomwareNone recordedNo known use recorded
Public exploits5reference, exploit-database, metasploit

Timeline

  1. 14-12-2016
    PublishedVulnerability first disclosed.
  2. 07-03-2022
    Added to CISA KEVNETGEAR Multiple Routers Remote Code Execution Vulnerability
  3. 07-09-2022
    CISA remediation dueApply updates per vendor instructions.
  4. 21-10-2025
    Last modifiedVulnerability information updated.

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 metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

99.80%

Chance of exploitation in the next 30 days

Percentile

100%

Versus all other CVEs

30-day change

0.00 pp

From 99.80% on 18-09-2026

18-09-202618-10-2026
EPSS score
99.80%

Known exploited

Compare KEV catalogs
CISA KEVListed
Added
07-03-2022
Federal due date
07-09-2022

CISA required action

Apply updates per vendor instructions. nvd.nist.gov/vuln/detail/CVE-2016-6277

Public exploits

5 found
  • referenceUnverified

    Exploit Reference (kalypto.org)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (packetstormsecurity.com)

    Maturity: unknown

  • exploit-databaseremotecgiVerified

    Netgear R7000 / R6400 - 'cgi-bin' Command Injection (Metasploit)

    Maturity: weaponized

Show all 5 exploits
  • exploit-databasecgiVerified

    Netgear R7000 - Command Injection

    Maturity: poc

  • MetasploitMetasploitremoteVerified

    Netgear R7000 and R6400 cgi-bin Command Injection

    exploit/linux/http/netgear_r7000_cgibin_exec

    Maturity: weaponized

Weaknesses

CWE · root cause

Affected systems

Netgear11 products

1 vendor · 11 products

References

9 links