CVE-2016-6277
NETGEAR — NETGEAR Multiple Routers Remote Code Execution Vulnerability
NETGEAR · CWE-352 — Cross-site request forgery · in CISA KEV since 2022-03-07
EVRS 86 of 100 Immediate
Patch Immediately
Rank 308 of 2,960 tracked
Why it scores 86
Evidence available: 6 of 7 signalsListed in the CISA KEV catalog, and an EPSS probability of 0.998.
- CISA KEVApplied
- RansomwareDid not apply
- Vendor exploitationDid not apply
- EPSSApplied
- Microsoft Exploitability IndexNot applicable
- Pre-patch disclosureNo data
- KEV recencyDid not apply
- CVSSApplied
The band answers “how soon”, not “how bad”. No data for: Pre-patch disclosure. Why some signals show no data
Fix
Patch or fixed version identifiedCISA required action
Fixed in
d6220 firmware: update to a version newer than 1.0.0.22 | d6400 firmware: update to a version newer than 1.0.0.56 | r6250 firmware: update to a version newer than 1.0.4.6_10.1.12 | r6400 firmware: update to a version newer than 1.0.1.18 | r6700 firmware: update to a version newer than 1.0.1.14 | r6900 firmware: update to a version newer than 1.0.1.14
Affected versions
- d6220 firmware
<= 1.0.0.22 - d6400 firmware
<= 1.0.0.56 - r6250 firmware
<= 1.0.4.6_10.1.12 - r6400 firmware
<= 1.0.1.18 - r6700 firmware
<= 1.0.1.14 - r6900 firmware
<= 1.0.1.14 - r7000 firmware
<= 1.0.7.2_1.1.93 - r7100lg firmware
<= 1.0.0.28
+14 more affected products; see the full list at NVD.
Remediation
Apply updates per vendor instructions.
Fixed versions from NVD.
Evidence
Each value with its source| Measure | Value | Source |
|---|---|---|
| CVSS base scoreHow severe the flaw is in itself. It does not say how likely an attack is. | 8.8 | NVD |
| FIRST EPSSFIRST's estimate of the chance this is exploited in the next 30 days, and how that ranks against all CVEs. | 0.998 (99.96th pctl) | FIRST EPSS |
| Actively exploitedWhether a source of record has confirmed attacks using it in the wild. | Confirmed | CISA KEV |
| Ransomware campaign useWhether CISA has seen ransomware operators use it. | Unknown or none | CISA KEV |
| CISA remediation deadlineThe date US federal agencies must have fixed or mitigated it. | 2022-09-07 · KEV since 2022 · listed over a year | CISA KEV |
| Public exploit moduleA module existing is not the same as active exploitation. | Public module exists | Metasploit |
| EUVD cross-referenceENISA's record: CVSS 8.8 (v3.1), assigned by mitre. | Listed | ENISA EUVD |
Description
NVDNETGEAR 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/.
What CISA says to do
Public module
Metasploit lists a public excellent-rank module for this CVE: Netgear R7000 and R6400 cgi-bin Command Injection (linux/http/netgear_r7000_cgibin_exec). A module existing is not the same as active exploitation; see metasploit.com.