NETGEAR Multiple Routers Remote Code Execution Vulnerability

CheckOps priority index

8.9/10 Patch within 24 h

Severity8.8

Probability10.0

Exploitation4/5

Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.

EPSS · today 99.8% higher than 99.96% of CVEs

CVSS 3.1 8.8 AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:

Exploited for 1,702 days 07 Mar 2022

CISA due date 07 Sept 2022 for US federal agencies

Exploitation probability EPSS · FIRST

EPSS probability (%)Percentile among all CVEs

Exploitation signals 4 / 5

KEV catalog (CISA)07 Mar 2022
Exploited in EUVD (ENISA)07 Mar 2022
Used by ransomwareno
EPSS above 10 %99.8%
No account, over the networkyes

What to do

Fix

Apply the vendor’s fix as soon as it is available.

CISA guidance: Apply updates per vendor instructions.

Meanwhile

Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.

Manufacturers (CRA)

Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained

Description ENISA EUVD

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

Multiple Routers

Weaknesses (CWE)

CWE-352

Open source packages OSV

Affected libraries according to OSV, with fixed versions.

Timeline

14 Dec 2016
Published
07 Mar 2022
Exploitation reported (ENISA)
07 Mar 2022
Added to the KEV catalog
07 Sept 2022
CISA remediation due date
26 Sept 2026
EPSS peak: 99.8%

References

Other exploited vulnerabilities from the same vendor

CVE-2017-5521NETGEAR Multiple Devices Exposure of Sensitive Information Vulnerability
8.3 · Background exploitation
CVE-2017-6862NETGEAR Multiple Devices Buffer Overflow Vulnerability
7.7 · Background exploitation
CVE-2017-6334NETGEAR DGN2200 Devices OS Command Injection Vulnerability
7.5 · Background exploitation
CVE-2016-10174NETGEAR WNR2000v5 Router Buffer Overflow Vulnerability
8.8 · Background exploitation
CVE-2016-1555NETGEAR Multiple WAP Devices Command Injection Vulnerability
9.3 · Background exploitation
CVE-2017-6077NETGEAR DGN2200 Remote Code Execution Vulnerability
8.4 · Background exploitation