SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2016-6277

NETGEAR Multiple Routers Remote Code Execution Vulnerability

KEVHIGH 8.8EPSS 99.8%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 7 September 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
99.80% probability · 100th percentile
CISA KEV
Listed 7 March 2022 · due 7 September 2022
Weakness
CWE-352
Affected
netgear/d6220 firmware · netgear/d6400 firmware · netgear/r6250 firmware · netgear/r6400 firmware · netgear/r6700 firmware · netgear/r6900 firmware · netgear/r7000 firmware · netgear/r7100lg firmware · netgear/r7300dst firmware · netgear/r7900 firmware · netgear/r8000 firmware
Source
cve@mitre.org

CISA notes

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

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.