CVE-2019-9160: WAC on the Sangfor Sundray WLAN Controller version 3.7.4.2 and earlier has a backdoor account allowing a remot

Q: How do I fix CVE-2019-9160?

sundray wan controller firmware: upgrade to newer than 3.7.4.2. Exact commands for each OS are on this page.

Q: Is CVE-2019-9160 being exploited?

CVE-2019-9160 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-2019-9160 affect?

CVE-2019-9160 affects sundray wan controller firmware. Severity is critical (CVSS 9.8). WAC on the Sangfor Sundray WLAN Controller version 3.7.4.2 and earlier has a backdoor account allowing a remote attacker to login to the system via SSH (on TCP port 22345) and escalate to root (because the password for root is the WebUI adm

Q: How urgent is CVE-2019-9160?

Priority 61/100. Critical severity; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2019-9160 is a critical-severity flaw (CVSS 9.8) affecting sundray wan controller firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

WAC on the Sangfor Sundray WLAN Controller version 3.7.4.2 and earlier has a backdoor account allowing a remote attacker to login to the system via SSH (on TCP port 22345) and escalate to root (because the password for root is the WebUI admin password concatenated with a static string).

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.2% (top 12%)
CISA exploited list	No
Weakness	CWE-798
Published	2019-04-18
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: xinruidz

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

Am I affected?

Timeline

2019-04-18 22:29 UTCPublished CVE record published
2026-06-17 02:43 UTCUpdated Record last modified

xinruidz sundray wan controller firmware UPGRADE

Affected: <= 3.7.4.2

Fixed in: newer than 3.7.4.2

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-2019-9160?

sundray wan controller firmware: upgrade to newer than 3.7.4.2. Exact commands for each OS are on this page.

Is CVE-2019-9160 being exploited?

CVE-2019-9160 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-2019-9160 affect?

CVE-2019-9160 affects sundray wan controller firmware. Severity is critical (CVSS 9.8). WAC on the Sangfor Sundray WLAN Controller version 3.7.4.2 and earlier has a backdoor account allowing a remote attacker to login to the system via SSH (on TCP port 22345) and escalate to root (because the password for root is the WebUI adm

How urgent is CVE-2019-9160?

Priority 61/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2019-9161 CRITICAL 9.8 UPGRADE WAC on the Sangfor Sundray WLAN Controller version 3.7.4.2 and earlier has a Remote Code Execution issue allow

References

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