CVE-2018-15355: Usage of SSLv2 and SSLv3 leads to transmitted data decryption in Kraftway 24F2XG Router firmware 3.5.30.1118.

Q: How do I fix CVE-2018-15355?

24f2xg router firmware: upgrade to newer than 3.5.30.1118. Exact commands for each OS are on this page.

Q: Is CVE-2018-15355 being exploited?

CVE-2018-15355 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-2018-15355 affect?

CVE-2018-15355 affects 24f2xg router firmware. Severity is medium (CVSS 5.9). Usage of SSLv2 and SSLv3 leads to transmitted data decryption in Kraftway 24F2XG Router firmware 3.5.30.1118.

Q: How urgent is CVE-2018-15355?

Priority 40/100. Remotely exploitable, no login, no user action

This month

MEDIUM 5.9REMOTEUPGRADE

CVE-2018-15355 is a medium-severity flaw (CVSS 5.9) affecting 24f2xg router firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Usage of SSLv2 and SSLv3 leads to transmitted data decryption in Kraftway 24F2XG Router firmware 3.5.30.1118.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-327
Published	2018-08-17
Last modified	2026-06-17

Publisher (CNA): Kaspersky Labs · Vendor: kraftway

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

Am I affected?

Timeline

2018-08-17 14:29 UTCPublished CVE record published
2026-06-17 01:42 UTCUpdated Record last modified

kraftway 24f2xg router firmware UPGRADE

Affected: <= 3.5.30.1118

Fixed in: newer than 3.5.30.1118

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-2018-15355?

24f2xg router firmware: upgrade to newer than 3.5.30.1118. Exact commands for each OS are on this page.

Is CVE-2018-15355 being exploited?

CVE-2018-15355 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-2018-15355 affect?

CVE-2018-15355 affects 24f2xg router firmware. Severity is medium (CVSS 5.9). Usage of SSLv2 and SSLv3 leads to transmitted data decryption in Kraftway 24F2XG Router firmware 3.5.30.1118.

How urgent is CVE-2018-15355?

Priority 40/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2018-15354 HIGH 7.5 UPGRADE A Buffer Overflow exploited through web interface by remote attacker can cause denial of service in Kraftway 2
CVE-2018-15353 CRITICAL 9.8 UPGRADE A Buffer Overflow exploited through web interface by remote attacker can cause remote code execution in Kraftw
CVE-2018-15352 MEDIUM 6.5 MITIGATE An attacker with low privileges can cause denial of service in Kraftway 24F2XG Router firmware version 3.5.30.
CVE-2018-15351 MEDIUM 6.5 UPGRADE Denial of service via crafting malicious link and sending it to a privileged user can cause Denial of Service
CVE-2018-15350 CRITICAL 9.8 UPGRADE Router Default Credentials in Kraftway 24F2XG Router firmware version 3.5.30.1118 allow remote attackers to ge

References

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