CVE-2017-10853: Buffer overflow in Corega CG-WGR1200 firmware 2.20 and earlier allows an attacker to execute arbitrary command

Q: How do I fix CVE-2017-10853?

cg-wgr 1200 firmware: upgrade to newer than 2.20. Exact commands for each OS are on this page.

Q: Is CVE-2017-10853 being exploited?

CVE-2017-10853 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2017-10853 affect?

CVE-2017-10853 affects cg-wgr 1200 firmware. Severity is high (CVSS 8.8). Buffer overflow in Corega CG-WGR1200 firmware 2.20 and earlier allows an attacker to execute arbitrary commands via unspecified vectors.

This month

HIGH 8.8UPGRADE

CVE-2017-10853 is a high-severity flaw (CVSS 8.8) affecting cg-wgr 1200 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Corega CG-WGR1200 firmware 2.20 and earlier allows an attacker to execute arbitrary commands via unspecified vectors.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-119
Published	2018-03-09
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: corega

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-03-09 16:29 UTCPublished CVE record published
2026-06-17 01:00 UTCUpdated Record last modified

corega cg-wgr 1200 firmware UPGRADE

Affected: <= 2.20

Fixed in: newer than 2.20

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-10853?

cg-wgr 1200 firmware: upgrade to newer than 2.20. Exact commands for each OS are on this page.

Is CVE-2017-10853 being exploited?

CVE-2017-10853 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-10853 affect?

CVE-2017-10853 affects cg-wgr 1200 firmware. Severity is high (CVSS 8.8). Buffer overflow in Corega CG-WGR1200 firmware 2.20 and earlier allows an attacker to execute arbitrary commands via unspecified vectors.

How urgent is CVE-2017-10853?

Priority 45/100. High severity

Related CVEs

CVE-2017-10854 HIGH 8.8 UPGRADE Corega CG-WGR1200 firmware 2.20 and earlier allows an attacker to bypass authentication and change the login p
CVE-2017-10852 HIGH 8.8 UPGRADE Buffer overflow in Corega CG-WGR1200 firmware 2.20 and earlier allows an attacker to execute arbitrary code vi

References

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