CVEs / CVE-2016-6277
CVE-2016-6277: NETGEAR Multiple Routers Remote Code Execution Vulnerability
- Known exploited in the CISA KEV catalog since 7 Mar 2022
- high 8.8 CVSS 3.1 (NVD)
- EPSS 99.8% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2016-6277
Summary
NETGEAR confirmed multiple routers allow unauthenticated web pages to pass form input directly to the command-line interface, permitting remote code execution.
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 and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
Exploitation
| In CISA KEV since | 7 Mar 2022 |
|---|---|
| Due date for US federal agencies | 7 Sep 2022 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 8.8 highCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-352 |
References
- CVE-2016-6277 on NVD
- CVE-2016-6277 in the CISA KEV catalog
- http://kb.netgear.com/000036386/CVE-2016-582384 Patch, Vendor Advisory
- http://packetstormsecurity.com/files/155712/Netgear-R6400-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- http://www.securityfocus.com/bid/94819 Broken Link, Third Party Advisory, VDB Entry
- http://www.sj-vs.net/a-temporary-fix-for-cert-vu582384-cwe-77-on-netgear-r7000-and-r6400-routers/ Broken Link, Mitigation, Third Party Advisory
- https://kalypto.org/research/netgear-vulnerability-expanded/ Broken Link, Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/40889/ Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/41598/ Exploit, Third Party Advisory, VDB Entry
- https://www.kb.cert.org/vuls/id/582384 Third Party Advisory, US Government Resource
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-6277 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.