CVE-2018-6297: Buffer overflow in Hanwha Techwin Smartcams

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CRITICAL 9.8REMOTEMITIGATEMITIGATE

CVE-2018-6297 is a critical-severity flaw (CVSS 9.8) affecting snh-v6410pn firmware, snh-v6410pnw firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Buffer overflow in Hanwha Techwin Smartcams

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.2% (top 33%)
CISA exploited list	No
Weakness	CWE-119
Published	2018-03-13
Last modified	2026-06-17

Publisher (CNA): Kaspersky Labs · Vendor: hanwha-security

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

Am I affected?

Timeline

2018-03-13 17:29 UTCPublished CVE record published
2026-06-17 02:01 UTCUpdated Record last modified

hanwha-security snh-v6410pn firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

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.

hanwha-security snh-v6410pnw firmware MITIGATE

Affected: all versions

Fixed in: no fixed release known

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-2018-6297?

snh-v6410pn firmware: mitigate or apply the listed mitigation; snh-v6410pnw firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-6297 being exploited?

CVE-2018-6297 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-2018-6297 affect?

CVE-2018-6297 affects snh-v6410pn firmware, snh-v6410pnw firmware. Severity is critical (CVSS 9.8). Buffer overflow in Hanwha Techwin Smartcams

How urgent is CVE-2018-6297?

Priority 56/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-6303 HIGH 7.5 MITIGATE MITIGATE Denial of service by uploading malformed firmware in Hanwha Techwin Smartcams
CVE-2018-6302 HIGH 7.5 MITIGATE MITIGATE Denial of service by blocking of new camera registration on the cloud server in Hanwha Techwin Smartcams
CVE-2018-6301 HIGH 7.5 MITIGATE MITIGATE Arbitrary camera access and monitoring via cloud in Hanwha Techwin Smartcams
CVE-2018-6300 CRITICAL 9.8 MITIGATE MITIGATE Remote password change in Hanwha Techwin Smartcams
CVE-2018-6299 CRITICAL 9.8 MITIGATE MITIGATE Authentication bypass in Hanwha Techwin Smartcams

References

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