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Known exploited vulnerability

CVE-2018-6530

criticalCVSS 3.1 9.8In CISA KEVRansomwareEPSS 97%Published · n/a

The short answer

CVE-2018-6530 affects n/a n/a and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-09-08: attackers are using it, so patch it first.

What it is

OS command injection vulnerability in soap.cgi (soapcgi_main in cgibin) in D-Link DIR-880L DIR-880L_REVA_FIRMWARE_PATCH_1.08B04 and previous versions, DIR-868L DIR868LA1_FW112b04 and previous versions, DIR-65L DIR-865L_REVA_FIRMWARE_PATCH_1.08.B01 and previous versions, and DIR-860L DIR860LA1_FW110b04 and previous versions allows remote attackers to execute arbitrary OS commands via the service parameter.

Weakness: CWE-78.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Sep 8, 2022

Federal due date Sep 29, 2022

EPSS, next 30 days

97%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

The vendor D-Link published an advisory stating the fix under CVE-2018-20114 properly patches KEV entry CVE-2018-6530. If the device is still supported, apply updates per vendor instructions. If the affected device has since entered its end-of-life, it should be disconnected if still in use.

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2018-6530 being exploited?

Yes. CISA added CVE-2018-6530 to its Known Exploited Vulnerabilities catalog on 2022-09-08, with a federal remediation due date of 2022-09-29. CISA lists it as used in ransomware campaigns.

How do I fix CVE-2018-6530?

CISA's required action: The vendor D-Link published an advisory stating the fix under CVE-2018-20114 properly patches KEV entry CVE-2018-6530. If the device is still supported, apply updates per vendor instructions. If the affected device has since entered its end-of-life, it should be disconnected if still in use.

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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