CVE-2016-6277
HIGHCVE-2016-6277 is a high-severity (CVSS 8.8) Cross-Site Request Forgery (CSRF) vulnerability. It is in CISA's Known Exploited Vulnerabilities catalog (added 2022-03-07) — treat it as actively exploited and patch now. No vendor fix is recorded yet; mitigation options are listed below.
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,…
Exploitation Status
Actively exploited in the wild
- Confirmed by CISA's Known Exploited Vulnerabilities catalog on 2022-03-07. Federal agencies were required to remediate by 2022-09-07.
- A successful exploit gives an attacker total control of the affected component, not partial access.
Exploitation and automatability from CISA (KEV catalog and SSVC triage) for CVE-2016-6277.
EPSS Exploitation Probability
Probability of exploitation in the next 30 days, from FIRST.org EPSS.
How urgent is this, really
CVE-2016-6277 by exploitation likelihood (EPSS) against impact (CVSS). In the shaded patch-first corner (EPSS 50%+, CVSS 7.0+).
Where this sits among everything scored
Of 394,415 CVEs with a current EPSS score, this one falls in the ≥ 90% band (highlighted). Counts from FIRST.org, log-scaled.
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/.
Affected Products
d6220 firmwarenetgeard6400 firmwarenetgearr6250 firmwarenetgearr6400 firmwarenetgearr6700 firmwarenetgearr6900 firmwarenetgearResearch use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.
Netgear R7000 - Command Injection
by Acew0rm · Dec 7, 2016
Netgear R7000 / R6400 - 'cgi-bin' Command Injection (Metasploit)
by Metasploit · Mar 13, 2017
Detection & mitigation playbook
VulnerabilityDetect
Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).
Remediation status
No fixed release is recorded for CVE-2016-6277 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.
Mitigate without a patch
If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands.
How to detect CVE-2016-6277
A community-maintained Nuclei template exists for this CVE. You can scan for it directly:
nuclei -id cve-2016-6277 -u https://target- Template
- NETGEAR Routers - Remote Code Execution
- Severity
- high
- Impact
- Successful exploitation of this vulnerability allows an attacker to execute arbitrary code on the affected router, potentially leading to unauthorized access, data theft, or network compromise.
- Remediation
- Apply the latest firmware update provided by NETGEAR to mitigate this vulnerability.
Template by ProjectDiscovery nuclei-templates (pikpikcu), MIT licensed. View the full template. Scan only systems you are authorised to test.
Frequently Asked Questions
Is CVE-2016-6277 in your dependencies?
Find it across , including transitive dependencies.