Known exploited vulnerability
CVE-2016-6277
The short answer
CVE-2016-6277 affects n/a n/a and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-07: attackers are using it, so patch it first.
What it is
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/.
Weakness: CWE-352.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Mar 7, 2022
Federal due date Sep 7, 2022
EPSS, next 30 days
100%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- kalypto.org/research/netgear-vulnerability-expanded/ Broken LinkExploitThird Party Advisory
- www.exploit-db.com/exploits/40889/ Third Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/41598/ ExploitThird Party AdvisoryVDB Entry
- www.kb.cert.org/vuls/id/582384 Third Party AdvisoryUS Government Resource
- kalypto.org/research/netgear-vulnerability-expanded/ Broken LinkExploitThird Party Advisory
- www.exploit-db.com/exploits/40889/ Third Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/41598/ ExploitThird Party AdvisoryVDB Entry
- www.kb.cert.org/vuls/id/582384 Third Party AdvisoryUS Government Resource
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-6277 US Government Resource
Questions
Is CVE-2016-6277 being exploited?
Yes. CISA added CVE-2016-6277 to its Known Exploited Vulnerabilities catalog on 2022-03-07, with a federal remediation due date of 2022-09-07.
How do I fix CVE-2016-6277?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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